1. (0.401)(0.211)(0.197)
--------------------------- = ?
(0.434)(0.107)(0.153)
2. When n is divided by 7 reminder is 4; what is reminder when (n*2+5)/7?
Ans: 6
3. Col A: Sqrt(11+6)
Col B: Sqrt (11) + sqrt(6)
Ans: B
4. A line intersects the Y-axis at (0,a) and X-axis at (a,0). If the line passes through the point (-3,-3), find the value of a.
Ans: -6
5. In a room there are more than 12 members which are divided into a 5 member,8 member and a 12 member group.Find the least possible members in room such that finally non are left.
Ans: 120
6. A group can charter a particular aircraft at a fixed total cost.If 36 people charter aircraft rather than 40,loss per person is 12$. What is cost per person if 40 people charter it?
7. A figure was given in which (2x+1) degree and 75 degree forms a straight angle. Find X ?
Ans: 52
8. r^3 = (5^9/5^6)
Col A : r
Col B : 5
Ans: C
9. Col A: (5^n/5^k)^2
Col B: (n/k)^2
Ans: D
10. 3x+6y = 6
Col A : x intercept
Col B : y intercept
Ans: A
11. Three points in the coordinate system were given (4,5), (-2,-1) and (1,k) and all lie on the same line.
Col A: k
Col B: 2
Ans: C
12. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
13. x1, x2, x3, x4 & x5 are the events Rate of occurance of them are r1, r2, r3, r4 & r5
E = x1r1+x2r2+x3r3+x4r4+x5r5/(x1+x2+x3+x4+x5)
x1=r1=1
x2=r2=2
x3=r3=3
x4=r4=4
x5=r5=5. Find E?
Ans: 11/3
14. Two concentric circles with the inner circle having radius 6 feet. The path around the inner circle is 2 feet wide and a wall is to be constructed on the path. If the concrete is to be 0.06 deep, then how much concrete will be required?
Ans: 1.68 pi
15. x is an integer such that x > 2
Cola: number of even factors of 2x
Colb: number of odd factors of 3x
Ans: D
16. A semicircle was given with area =2pie. Find the perimeter of the semicircle?
Ans: 2pie+4
17. check the diag here ->
Given x= y and EF || BC
COL A: area of triangle ABC
COL B: area of triangle DEF
Ans: (if EF = BC then ans is C)
ORKUT QUANT DATABASE (Till Nov 29th)
1.2^(2n+1)- 2^2n = 2^1000. Find n?
A)500
B)1000
C)2000
Ans: A
2.Col A: (0.91^2/1.1^2)+(1.1^2/0.91^2)
Col B: 2
Ans: B
3.Col A: Perimeter of a square with area 32
Col B: Perimeter of a rectangle with area 42
Ans: D
4. A formula was given to find the value for n years in thousands .
Formula: 0.01n^2 + 10n + 2000 .
Col a : value for 10 years.
Col b : 2100000
Ans: A
5. Col A : (5^n/5^k) ^2
Col B : (n/k)^2
Ans: D
6. w+6,S+6,p+6 has Standard Deviation k then what will be the Standard Deviation for w,s,p?
a.6k+6
b.18k
c.8k+18
d.6k
e. none
Ans: e
7.On a street, there are four houses which are to be painted. There is a choice of three colors, and one house will be painted with a single color. In how many ways can the houses be painted?
A. 4
B. 24
C. 64
D. 81
E. 128
Ans: D
8.There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is 0.06m, what is the volume of the concrete used in constructing the tank?
Ans: 1.68pi cu.m
9.Compare :
Col A: square root of (125+169)
Col B: sqaure root of 125 +square root of 169.
Ans: B
10. Given two lines 'l' and 'm' which are parallel to each other. There are two points 'a' and 'b' on line 'l' and two points 'c' and 'd' of the same length is on line 'm'. If M is a mid point between 'a' and 'b' then
Col A: MC
Col B: MD
Ans: D
11. Col A : (1/9 + 1/10 + 1/11 + 1/12 + 1/13 + 1/14 + 1/15)
Col B : 7/12
Ans : Col A
12. If f(x)= 3(x)^2 - 4x + 25
Col a: what is the least number to satisfy the condiation
Col b: 0
Ans: A
13. John's salary for a particular month is given by the equation: 1520 + 0.15x where x is the amount obtained from the sales made by John. In July 2000, John got $300 more than June 2000. By how much did John's sales increase in July 2000 as compared to June 2000?
Ans : $2000
14.A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
15.A telephone call charges at the rate x for first 1 minute, and y for the remaining time of the call. If the total charge for the call was $2.49, what was the call duration in terms of x and y.
Ans : ($2.49 – x)/y + 1
16. In a triangle the three angles are given as X,X,Y. and the avg of two angles is 65, then what is the possible value of Y in the below options?
A. 60
B. 65
C. 70
D. 75
E. 80
Ans: E
17. If x = -1 then (1/x)+(1/x^2)+(1/x^3)+(1/x^4)=?
Ans: 0
18. Given f(n+3)=f(n) and
f(-1)=6
f(0)= 5
f(1) = 4
then the value of f(8) is
Ans: 6
19. Area of a square is 9 and that of a rectangle is 8.
Col A: perimeter of square
Col B: perimeter of rectangle
Ans: D
20. A company sold a product for x dollars in 1990. The price of product would increase by 2.5% every year. Which of the following expressions could be used to calculate the price of the product in the year 2000?
Ans : x*(1.025)^10
21.(1/2 + 1/3)+ (1/4 -1/3) + (1/2-1/4) = 1
22. 4 points A,B,C,D on a straight line such that AD:AB = 9:1 and AD:AC = 4:1 points A,B,C,D are:-
A. -20, -8, -10, 16
B. -20, -16, 11, 16
C. -20, -16, -11, 16
D. -20, -16, -11, 7
E. -20, -10, -11, 7
Ans: C
23. A circle was given with radius 6,it contained a shaded area. The degree measure of the unshaded area was 260. Find the area of shaded region.
Ans:10pie
24.Compare:
Col A: {[Sqrt(6) + Sqrt(7)] [Sqrt(6) - Sqrt(7)]} / Sqrt(6)
Col B: {[Sqrt(7) + Sqrt(6)] [Sqrt(7) - Sqrt(6)]} / Sqrt(7)
Ans:B
25. Tom brought 'n' shares for 't' dollars( n> 20).Then he sold 'n-20' shares at 't+1' per share and sold the remaining shares at 't+3' per share.
Col A: total value of shares sold - total value of shares he bought
Col B: t+40
Ans: D
ORKUT QUANT DATABASE (Till Nov 28th)
1. A line 'l' passes through (3,-2) and cuts the coordinate axis. line 'm ' is perpendicular to line 'l' .
Column A : Slope of line m
Column B : 3/2
Ans:C
2. The distance travelled by a train is 'd' and the time taken is h hrs. Next day the train travels the same distance but reaches 15 min early. What is the average speed in terms of 'd' and 'h'?
3. 7 is the digit on tens place for X and 8 is the digit for tens place for Y. What is the Tens digit for (X+Y)
Ans: 5
4. 0<1
col A : 1/x
col B : 1/x^2
5. If n * sqrt(0.01) = 1 then What is the value of n?
Ans: 10
6. (0.5)^-2 , (0.5)^-1 , (0.5)^0 , (0.5)^1 , (0.5)^2. Find the range of the above numbers
Ans: 3.75
7. If a line passes through (-3,2) and cuts coordinate axis.
Col A: x-intercept of line
Col B: y-intercept of line
Ans: B
8. Given f(x)=x^2+x
Col a: f(x+1)
Col b: f(x) + f(1)
Ans: D
9. If a square is inside the circle with its side 's' then What is the area of the circle?
Ans: pi * s^2/2
10. Tom brought 'n' shares for 't' dollars( n> 20).Then he sold 'n-20' shares at 't+1' per share and sold the remaining shares at 't+3' per share.
Col A: total value of shares sold - total value of shares he bought
Col B: t+40
ORKUT QUANT DATABASE (Till Nov 27th)
1. Three points in the coordinate system were given (4,5), (-2,-1) n (1,k) and all lie on the same line…
Col A: k
Col B: 2
Ans: C
2. A company sold a product for x dollars in 1990. The price of the product would increase by 2.5% every year. Which of the following expressions could be used to calculate the price of the product in the year 2000?
A. x * (25)^10
B. x * (0.25)^10
C. x * (1.25) ^ 10
D. x * (1.025)^10
E. x * (0.125) ^ 10
Ans: D
3.There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is 0.06m, what is the volume of the concrete used in constructing the tank? On a street, there are four houses which are to be painted. There is a choice of three colors, and one house will be painted with a single color. In how many ways can the houses be painted?
A. 4
B. 24
C. 64
D. 81
E. 128
Ans: D
4. 3,1,4,2,3,1,4,2...... is a series in which 3,1,4,2 are repeated for every 4 terms then what is the product of the 67th,68th term?
A. 2
B. 4
C. 6
D. 8
E. 3
Ans: C
5. n and k are positive numbers
col a: (3^n/ 5^k)^2
colb: (n/k)^2
Ans: D
6. A+B=1 and M+T=2
A and M are positive and B and T are negative
Cola :A^2 + B^2
Col b: M^2 + N^2
Ans: D
7.The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
8. The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
9. Given a semicircle with radius 2 and its area is 2pie. Find the perimeter of the semicircle.
Ans: 4+2pie
10. Two lines 3x-5y=10 and 2x-10y=-3 were given and the point of intersection of these lines lies in which quadrant?
Ans: IVth quadrant
11. Given x ,10-x, 2x+3 are three numbers. If mean of these 3 numbers is 24. Find median.
12. If mode of a group of numbers is 78 then what is the range of the numbers.
Ans: D
13. If x is not equal to 0.
Col a : (x+y)^2
Col b : x^2 +y^2
Ans: D
14. Given a cylinder having volume V. There is one more cylinder that had radius and height both twice of that of the given cylinder, so what is the volume of 2nd cylinder in terms of V?
Ans : 8V
15. (x^2+y^2)/2=xy then,
col A: x
col B: y
Ans: D
16. There are 37 employees in a company X. The month of july has more number of birthdays (of employees) than any other month in the year.
Col A: Number of Birthdays in July
Col B: 3
Ans: A
17. {(0.401)*(0.211)*(0.197)} / {(0.some number)*(0.155)*(0.343)} = this type of question was given .
18. In a triangle the three angles are given as X,X,Y. and the avg of two angles is 65, then what is the possible value of Y in the below options?
A. 60
B. 65
C. 70
D. 75
E. 80
Ans: E
19. x is an integer such that x > 3
Col a: number of even factors of 2x
Col b: number of odd factors of 3x
Ans: D
20. A set contains following no.'s a1,a2,a3.........a100
An= ((n+1)/n)+1) for n odd integer
An= -An-1 for n even integer
Find it's range...
21. lj+2l<3 and (k-1)^2=16
coll a:jk
col b:15
Ans: B
22. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
23. Three cuboids R, S and T were given…
Sides of R x, y, z
Sides of S x+10, y, z
Sides of T x, y, z+10
Col A: volume of s minus volume of R
Col B: volume of T minus volume of R
Ans: D
24. John's salary for a particular month is given by the equation: 1520 + 0.15x where x is the amount obtained from the sales made by John. In July 2000, John got $300 more than June 2000. By how much did John's sales increase in July 2000 as compared to June 2000?
Ans : $2000
25. A company has 54 employees. There are more birthdays on Wednesdays then on any other day of the week.
Col A: minimum no. of birthdays on Wednesdays
Col B: 8
Ans: A
ORKUT QUANT DATABASE (Till Nov 26th)
1. In xy coordinate a square is drawn by connecting y, x, -y and -x coordinate. The area of the square is 36.
Col A:Distance between the center of the coordinate and the point in –y coordinate
Col B: 2.4
2. x is multiple of 3 and 3x has unit digit 7.
Col A: x
Col B: 69
Ans: D
3. In a company there are 54 members. If wednesday has more numbers of birthdays then what is the least number of birthdays on
wednesday?
A. 6
B. 7
C. 8
D. 9
E. 10
Ans: D
4. x and y are positive integers.
Col A: remainder when xy+x(y+2) is devided by 2.
Col B: 0
Ans: C
5. |J+2|<3 and (k-1)^2=16
Col A: jk
Col B: 15
Ans: B
6. If x-x/2-x/4-x/8 = 16 find x?
Ans: 128
7. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
8. A label of vertical width w is stick on a cylinderical vessel with area A(some number) and height 10 cm.
Cola: w
Colb: 4.5
Ans: D
9. A circle was given with radius 6, it contained a shaded area. The degree measure of the unshaded area was 260. Find the area of
shaded region.
Ans:10pie
10. There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is
0.06m, what is the volume of the concrete used in constructing the tank?
Ans: 1.68pi cu.m
11. 3^(4n+1) divided by 10
Col A: Remainder
Col B: 0
12. x1, x2, x3, x4 & x5 are the events Rate of occurance of them are r1, r2, r3, r4 & r5
E = x1r1+x2r2+x3r3+x4r4+x5r5/(x1+x2+x3+x4+x5)
x1=r1=1
x2=r2=2
x3=r3=3
x4=r4=4
x5=r5=5. Find E?
Ans: 11/3
13. Given ax^2+bx+c=0, (2x+3)(2x-3)=0
Col a:a+b+c
Col b: -5
Ans: C
14. Given average(arithmetic mean) of t,u,v is x.
Col a:arithmetic mean of t,u,v and x
Col b:x
Ans: C
15. Col a: (-2)^-5
Col b: 1
Ans: B
ORKUT QUANT DATABASE (Till Nov 23rd)
1. If 0.8 is the probability that a person gets infected with the disease amongst a group, in which a person in a group is infected.
Col A : the probablity that a person getting infected if none of the others among the group is infected.
Col B : 0.4
Ans: D
2. Given Users of mixers are 14% and Users of AC's are 27%. Find the Range of users excluding the users of mixers and ACs.
A) 41% to 59%
B) 59% to 73%
C)21% to 41%
Ans: B
3. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
4. Bryan and Kathleen live 150 miles apart. They each drive toward the other's house along a straight road connecting the two,
Bryan at a constant rate of 30 miles per hour and Kathleen at a constant rate of 50 miles per hour. If Bryan and Kathleen leave their
houses at the same time, how many miles are they from Bryan's house when they meet?
A) 40
B) 51.5
C) 56.25
D) 75
E) 93.75
Ans: C
5.The area of rectangular region R is equal to the area of rectangular region T.
The Ratio of the length to the width of R is 3 to 1.
the length & width of T are 12 & W, respectively.
Col A : w
Col B : 4
Ans: D
6. (0.5)^-2 , (0.5)^-1 , (0.5)^0 , (0.5)^1 , (0.5)^2. Find the range of the above numbers
Ans: 3.75
7.Two semicircles with thier diameters coincident...outer semicircle has diameter 12 feet and inner semicircle has diameter 8 feet.The outer minus inner was painted with green paint at some cost per sq feet and the inner was painted with red at the same cost per sq feet.
Col A: cost of green paint
Col B: cost of red paint
Ans: A
8. A label of vertical width w is stick on a cylinderical vessel with area A(some number) and height 10 cm.
Cola: w
Colb: 4.5
Ans: D
ORKUT QUANT DATABASE (Till Nov 22nd)
1. If d is the standard deviation of x,y and z then what is the standard of x+6,y+6 and z+6?
A.d+6
B. 6d
C.12d
D.18d
E.None
Ans: E
2. Out of 45, 25 are married and 38 are houseowners.
col A: least no.of houseowners who are married
col b: 18
Ans: C
3. A two digit number is a multiple of 3 and thrice this number has 7 in its units place.
col a: the number is
col B: 69
Ans: D
4. (0.5)^-2 , (0.5)^-1 , (0.5)^0 , (0.5)^1 , (0.5)^2. Find the range of the above numbers
Ans: 3.75
5. If n is an integer when divided by 17 leaves a reminder 4, what is the reminder when 5n is divided by 17
Ans : 3
6. In a set of 5 numbers, if 7 is the median, 4 is the mode & mean of the largest & second largest number is 20. Find average of 5
numbers.
Ans: 11
7. Where will the point of intersection of the lines 3x + 5y = 7 and 2x - 10y = - 3 lie?
A. On X-Axis
B. On Y-Axis
C. In Quadrant I
D. In Quadrant III
E. In Quadrant IV
Ans: E
8.On a street, there are four houses which are to be painted. There is a choice of three colors, and one house will be painted with
a single color. In how many ways can the houses be painted?
A. 4
B. 24
C. 64
D. 81
E. 128
Ans: D
9. A B
+ B A
------------
C B C
------------
Col A: B
Col B: 2
Ans: C
10.There was a $25 discount on every purchase of $75 there was a 10% charge on shipping which was added before the discount
and 20% sales tax after the discount was added. If john paid total $300, what was the original amount of purchase if no sales tax
was added per $75
Ans : 240.
11. Consider circle with centre O. AB is a chord of the circle. AOB is a right triangle C is a point on the circumference of circle such
that angle BOC = 60 degrees Compare.
Col A : area of triangle AOB
Col B : area of sector BOC.
Ans : B
12. A company sold a product for x dollars in 1990. The price of product would increase by 2.5% every year. Which of the following
expressions could be used to calculate the price of the product in the year 2000?
Ans : x*(1.025)^10
13. Given ABCD is a square with perimeter k and M, N, O, P are the midpoints of the square. If with this midpoints another
square MNOP is formed then
Col A: perimeter of inner square is
Col B: 1/2 k
Ans: A
14. If x is an integer and (x-5)/2 is an integer. Then which of the following is an integer?
A. (x+2)^2/9
B. (x+2)^2/4 .......
Ans: A
15. Col A: The number of real roots of 2x-3/7=0
Col B: The number of real roots of x^2+3=0
Ans: A
ORKUT QUANT DATABASE (Till Nov 21st)
1. x-y =5 & xy != 0
Col a: 1/x-1/y
Col b: 5
2. Given f(n+3)=f(n) and
f(-1)=6
f(0)= 5
f(1) = 4
then the value of f(8) is
Ans: 6
3. Given 0<1
Col A: X^50+X^51+x^52
ColB : 3(x^52)
4. A circle is inscribed in a square of side 2m.
ColA: area of circle
ColB: pie
Ans: C
5. x^2+2x-8=0
Col A:The sum of the roots
Col B: -2
Ans: C
6. An regular pentagon and an equilateral triangle were given. The perimeter of pentagon is twice that of triangle.
Col A: Side of pentagon
Col B: Side of triangle
Ans: A
7. A telephone company has no.'s between 3000-3799. A Company called X uses the numbers from 3300-3499. Out of these
managers of Division1 level use numbers ending with 0 or 1. What percent of the telephone company numbers are used by
Managers of Division1 level of Comany X?
Ans: 5%
8. x^2=1/5(x^2+(8/x^2)) find the value of x?
Col A: x
Col B: 2
9. A triangle ABC is given. A point D divides the side AB such that a trainge ADC is formed and AD/DB=1/3. If the area of the triangle ABC is r. Find the area of the triangle ADC in terms of r?
Ans: r/4
10. If x = -1 then (1/x)+(1/x^2)+(1/x^3)+(1/x^4)=?
Ans: 0
11. If x is a positive number which leaves a remainder 2 when divided by 8 and when divided by 5 it leaves a remainder 3. Find the least possible number?
col A: x
col B: 18
Ans: C
12. In a room there are more than 12 members which are divided into a 5 member group and a 8member group and a 12 member
group. Find the least possible members in that room such that finally none were left?
Col A the members in the room
Col B: 120
Ans: C
13. |x-2|>4 then which of the following is true with the above realation
A) -26
B) -4<4
C) -2<4
D) -6<6
Ans: A
14. A rectangular aquarium base has dimensions 10*8 and height 10. Aquarium is filled upto the height of 6, a solid bar is immersed
into it... there by increasing the water level to 7.
Col a: the bar dimensions
Col b: 100 cubics
Ans:B
15. Col A: 50 square + 51 Square + 52 square
Col B: 3(square of 52)
Ans: B
16. Mode of certain list is given as 45
Col A: find the mean
Col B: 45
Ans: D
ORKUT QUANT DATABASE (Till Nov 20th)
1)Twice the sum of 3 integers x ,y and z when divided by 7 gives remainder 1
what is the remainder when x+y+z is divided by 7?
Ans: 4
2) (1/2 + 1/3)+ (1/4 -1/3) + (1/2-1/4) = 1
3) 4 points A,B,C,D on a straight line such that AD:AB = 9:1 and AD:AC = 4:1
points A,B,C,D are:-
A. -20, -8, -10, 16
B. -20, -16, 11, 16
C. -20, -16, -11, 16
D. -20, -16, -11, 7
E. -20, -10, -11, 7
Ans: C
4) If probability of event M occuring is <1/4
Col a: prob of event M not occuring
Col b: 3/4
5) A semicircle was given with area 2pie find the perimeter of the semicircle
Ans: 2pie+4
6) x when divided by 7 leaves remainder 4.What is the remainder when 2x + 5 is divided by 7?
Ans: 6
7) The probability of raining tomorrow night is 0.46
Col a Col b
Probability of raining tomorrow night
and at high heat temp of 85degress is 0.54
Ans: B
8) |x|<= 6, |y|<=4.
Col a Col b
The maximum value of |y/x| 1
Ans: D
9) The volume and height of a cylinder is given as 54pi and 6. Find the circumference of the base of cylinder?
Ans: 6*pie
10) Given circle is x^2 + y^2 = 49 points on circle are A(3,a) and B(0,b) and given 'a' is positive and 'b' is negative.
Col A : length of segment AB
Col B : 12
Ans: A
11) Given a figure of triangle with sides t, t, n. If the average of two angles of the triangle is 65 then what is the value of n?
Ans: 80
12) 0<1
Col a Col b
x y^2
Ans: D
13) xy+x(y+2) when divided by 2 leaves a remainder
Cola Colb
Remainder 0
Ans: D
ORKUT QUANT DATABASE (Till Nov 19th)
1. From the set of 6 letters A, B, C, D, E, F, there are 20 diff. 3-letters subsets that could be selected.
Col A : The no. of 3-letter subsets that include the letter F.
Col B : 10
Ans: C
2. John's salary for a particular month is given by the equation:1520 + 0.15x where x is the amount obtained from the sales made by
John.In July 2000, John got $300 more than June 2000. By how much did John's sales increase in July 2000 as compared to June
2000?
Ans: $2000
3. There were two right angled triangles abc(
bc=ef and ab=2de
Col a:ac
Col b:2df
Ans: B
4. Twice the sum of two integers x and y , when divided by 7 gives remainder. What is the remainder when x+y is divided by 7?
Ans: 4
5. Given n and k are positive numbers.
Col a: (3^n/ 5^k)^2
Colb: (n/k)^2
Ans: D
6. A year has 365 days
Col a: the mean no. of days
Col b: the median no. of days
7. A telephone call charges at the rate x for first 1 minute, and y for the remaining time of the call. If the total charge for the call was
$2.49, what was the call duration in terms of x and y.
Ans : ($2.49 – x)/y + 1
8. 0<|x|, where x is a negative integer it was told to find out the negative no
a. (x+y)^2
b. (x-y)^2
c. y^2-x^2
d. x^2-y^2
9. 0<|x|. where x is a negative integer. Find out the negative number?
a. (x+y)^2
b. (x-y)^2
c. y^2-x^2
d. x^2-y^2
10. A Square is inscribed in a circle if the side of the square is s, wat is the area of the circle in terms of s?
Ans: pi * s^2 /2
11. Three quarts of a bleaching chemical, minmum, contains 5% hydrogen peroxide and water. A different type of bleaching
chemical, maxim, which contains 20% hydrogen peroxide, will be mixed with the three quarts of minum. How much of type maxim
should be added to the 3 quarts of minum so that the resulting mixture contains 15% hydrogen peroxide?
A. 3 quarts
B. 3.75 quarts
C. 4.5 quarts
D. 6 quarts
E. 9 quarts
12. Three solid cubes of lead, each with edges 10 centimeters long, are melted together in a level, rectangular-shaped pan. The base
of the pan has inside dimensions of 20 centimeters by 30 centimeters, and the pan is 15 centimeters deep. If the volume of the
solid lead is approximately the same as the volume of the molted lead, approximately how many centimeters deep is the melted
lead in the pan?
(A) 2.5
(B) 3
(C) 5
(D) 7.5
(E) 9
Ans: C
13. One integer will be randomly selected from the integers 11 to 60, inclusive. What is the probability that the selected integer will
be a perfect square or a perfect cube?
(A) 0.1
(B) 0.125
(C) 0.16
(D) 0.5
(E) 0.9
Ans: A
14. Number of positive integer whose square is between 100 and 201…?
a) 1
b) 2
c) 3
d) 4
e) 5
Ans : D
ORKUT QUANT DATABASE (Till Nov 16th)
1. Col A : Least +ve integer with 3 different prime factors, each greater than 6
Col B : 1001
Ans: C
2. Twice the sum of 3 integers x ,y and z when divided by 7 gives remainder =1
wt is the remainder when x+y+z is divided by 7.?
A. 0
B. 1
C. 2
D. 3
E. 4
Ans : E
3.The area of rectangular region R is equal to the area of rectangular region T.
The Ratio of the length to the width of R is 3 to 1.
the length & width of T are 12 & W, respectively.
Col A : w
Col B : 4
Ans: D
4. Area of a square is 9 and that of a rectangle is 8.
ColA ColB
perimeter of square perimeter of rectangle
Ans: D
5. Where will the point of intersection of the lines 3x - 5y = 7 and 2x + 10y = - 3 lie?
A. On X-Axis
B. On Y-Axis
C. In Quadrant I
D. In Quadrant III
E. In Quadrant IV
Ans : E
6. There are 37 employees in a company X. The month of july has more number of birthdays (of employees) than any other month
in the year.
Col A: Number of Birthdays in July
Col B: 3
Ans: A
7. (1/2 + 1/3)+ (1/4 -1/3) + (1/2-1/4)
Ans : 1
8. X^2-x-2 = 0. Number of possible value of X..?
Ans: 2
9. F(x) = x^2 + x
Col A : F(x+1)
Col B : F(x) + F(1)
Ans : D
10. Two Isosceles triangle was drawn, equal sides are 1, 1 in both triangle. Angle between equal side in one triangle is X, and in
second is Y. and given X > Y.
Col A: area of triangle with angle X
Col B: area of triangle with angle Y
Ans: D
11. Consider circle with centre O. AB is a chord of the circle. AOB is a right angle. C is a point on the circumference of the circle
such that angle BOC = 60 degrees. Compare:
Col A: Area of Triangle AOB
Col B: Area of sector BOC
Ans: B
ORKUT QUANT DATABASE (Till Nov 15th)
1.The question is
A B
+ B A
------------
C B C
------------
Col A: B
Col B: 2
Ans: C
2. A square was given and another square was formed by joining mid points of the square. Perimeter of larger square was given k.
Col a: perimeter of smaller square
Col b: k/2
Ans: A
3. A line was given in a diagram intersecting y axis at (0,u) and x axis at (3u,0)
Col a: u value
Col b: slope of line
Ans: A
4. 2x, 2x+3, 10-x were three numbers, their mean was 8 and we have to find the median?
Ans: 2x... i.e 7.3
5. A right angled triangle was given side opposite to 90 deg was x+6 and side opposite to 30 deg was 2x-3, find the value of x?
Ans: 4
6. Given 0<1
Col a: x50 + x51 +x52
Col b: 3(x)52
Ans: B
7.Given -2<-1
Col a: x-3
Col b: x-2
Ans: B
8. An regular pentagon and an equilateral triangle were given. The perimeter of pentagon is twice that of triangle.
Col A: Side of pentagon
Col B: Side of triangle
Ans: A
9. Machine A can produce a doll in 1+2/3 mins. Machine B can produce 3 dolls in 15 mins Whats time required to produce 30 dolls if
the two work together
Ans: 37.5mins
10. On a street, there are four houses which are to be painted. There is a choice of three colors, and one house will be painted with
a single color. In how many ways can the houses be painted?
A. 4
B. 24
C. 64
D. 81
E. 128
Ans:D
11. A circle was given with radius 6,it contained a shaded area. The degree measure of the unshaded area was 260. Find the area of
shaded region.
Ans:10pie
12. Cost of telephone call for first minute is x cents and for additional time is y cents. If total bill was 493 cents, What is the time of
call?
Ans: (493 - x / y ) + 1
13. How many three digit numbers are there such that the 100's digit is twice 10's digit and 10's digit is twice units digit.
Ans:2
14. A Line P passes through point 3 on y axis and 5 on X axis
Col A = slope
Col B = 3/5
Ans: B
15. In a box the ratio of red: blue balls =1:2, green :red balls =7:3. What is the fraction of blue balls in the box.
Ans: 6/16
16. A circle has two tangets at points A and B. They meet at point C outside circle...angle ACB is 50
col A : angle AOB
col B : 110
Ans: A
17. Each number after 1st is 6 less than previous no. 7th no is 42. 3rd no?
Ans: 18
18. Col A: Mean of no. of days in each month in 1971
Col B: Median of no. of days in each month in 1971
Ans: B
19. f(x)= 2x+5, the y intercept of the line having equation y=f(x+3)
Ans: 11
20. f(n+3)=f(n)
f(-1)=6
f(0)= 5
f(1) = 4
then the value of f(8)
Ans: 6
ORKUT QUANT DATABASE (Till Nov 14th)
1. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
2. For a set of 5 integers. Median=32, two numbers are 35. Rest numbers are distinct. If their mean is 30, find the least possible value
of other unknown integers.
Ans: 16
3. A rectangular cuboid 12*6*4 cm is available. Such cuboids are used to costruct cubes by stacking. What is the volume of the
smallest cube that can be made.
4. m was a multiple of some numbers....
Col A : number of positive integers that are factors of (m/21)
Col B : number of positive integers that are factors of (m/15)
5.Col A: Mean of no of days in each month in 1971
Col B: Median of no of days in each month in 1971
Ans: B
6.Cost of trip is x dollars.All participants give c dollars. Now no. of participants fall by 20% but total cost of trip remains x dollars. So
how much will each have to pay in terms of c.
Ans: 1.25c
7. The number of even multiples of 7 from 1 to 100
Ans: 7
8. Given circle is x^2 + y^2 = 49 points on circle are A(3,a) and B(0,b) and
given 'a' is positive and 'b' is negative
Col A : length of segment AB
Col B : 12
Ans: A
9. Least value of f(x)=4x^2 +20x+25.
Ans = -2.5
10. In a right angled triangle,perpendicual and hypotenuse were given as 2x-3 & x+6
base angle was given 30 , find x…?
Ans : 4
11. 2< r < 6 ; 3< t < 8
col A : r/t
col B : 3/4
Ans: D
12. N divided by 7, leaves remainder of 4. N^2 +5 divided by 7, remainder is?
Ans=0
13. Given f(x) = 5*x – 6. Find y-intercept of f(x+2).
Ans : 4
14. If x is from 1 to 100, for which function y is the standard deviation maximum
a. y = x/2
b. y = x- 10
c. y = x
d. y = x+10
e. y = 2*x + 5
15. Col A : no.of seconds in 2 weeks
Col B : no of mins in 90 weeks
Ans: A
16. Given a cylinder having volume V. There is one more cylinder that had radius and height both twice of that of the given cylinder,
so what is the volume of 2nd cylinder in terms of V?
Ans : 8V
17. x is an integer such that x>3
Col A: number of even factors of 2x
Col B: number of odd fctors of 3x
Ans: D
18. There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is
0.06m, what is the volume of the concrete used in constructing the tank?
Ans: 1.68pi cu.m
19. 4 points A,B,C,D on a straight line such that AD:AB = 9:1 and AD:AC = 4:1
points A,B,C,D are:-
A. -20 -8 -10 16
B. -20 -16 -11 16
C. -20 -16 -11 16
D. -20 -16 -11 7
E. -20 -10 -11 7
Ans: B
20. A square was inscribed inside a circle. If side of square is S, whats the area of Circle in terms of S
Ans: pi * s^2/2
21. x1, x2, x3, x4 & x5 are the events Rate of occurance of them are r1, r2, r3, r4 & r5
E = x1r1+x2r2+x3r3+x4r4+x5r5/(x1+x2+x3+x4+x5)
x1=r1=1
x2=r2=2
x3=r3=3
x4=r4=4
x5=r5=5. Find E?
Ans: 11/3
ORKUT QUANT DATABASE (Till Nov 13th)
1. 2^(2222). What is the units digit?
Ans: 4
2. A group can charter a particular aircraft at a fixed total cost. If 36 people charter the aircraft rather than 40 people, then the cost
per person is greater by $12. What is the cost per person if 40 people charter the aircraft?
Ans:108
3. Sum of 4 consecutive integers is 342. Then the sum of two larger integer.(similar question)
Sol: 173
4.The toll for certain bridge is $0.15 or 1 token. The tokens are sold in pack of 40 for $4.00 Then what percent saved on the 40 trips if
the token is used instead of $0.15.
Ans:33.33%
5. Col A: Least +ve integer with four different prime factors, each greater than 2
col B: 1155 Ans:
6. Which CANNOT be the factor of (2^n)*(3^k), n and k are both +ve??
a)6
b)8
c)24
d)42
e)54
Ans: D
7.There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is 0.06m,
what is the volume of the concrete used in constructing the tank?
Ans: 1.68pi cu.m.
8. John's salary for a particular month is given by the equation: 1520 + 0.15x where x is the amount obtained from the sales made
by John. In July 2000, John got $300 more than June 2000. By how much did John's sales increase in July 2000 as compared to
June 2000?
Ans : $2000
9. Probablity that a number is non prime out of 1 to 15?
Ans: 3/5
10. Which is greater?
Col A Col B
100210*90021 100021*90210
ORKUT QUANT DATABASE (Till Nov 12th)
1. A circle with center O has two tangents at points B and C which intersect each other at point A. Angle BAC is given as 55 degrees
Find the value of angle BOC.
Col A Col B
BOC 110 degrees
Ans: A
2.A maths teacher took two tests in her class. 25% of class passed both exams, 42% passed second. What is probability that
students who passed 1st exam also passed 2nd exam?
Ans: 1/4
3. In 1966 the operative mortality rate at certain hospital was 8.1 per 100 cases.By 1974 the operative mortality rate has declined to
4.8 per 100 cases. If the rate decline by 20% from 1973 to 1974 then what is percentage in decline from 1966 to 1973?
4. 400 students took certain examination. 60% of boys & 80% of girls had cleared the cut off in the examination. If total percentage
of the student qualifying is 65%,how many girls appeared in the exam?
Ans: 100
5. A set contains following no.'s a1,a2,a3.........a100
An= ((n+1)/n)+1) for n odd integer
An= -An-1 for n even integer
Find it's range...
6. A group can charter a particular aircraft at a fixed total cost. If 36 people charter the aircraft rather than 40 people, then the
cost per person is greater by $12. What is the cost per person if 40 people charter the aircraft?
7.There was a $25 discount on every purchase of $75 there was a 10% charge on shipping which was added before the discount
and 20% sales tax after the discount was added. If john paid total $300 what was the original amount of purchase if no sales tax
was added per $75.( This might be an comparision question....)
8. Given Principal amount P,rate of interest was r ,and the amount increase from 1990 to 1995 and 1995 to 2000 each time by r%. so
the total amount was (7/5)p at the end of 2 yrs .
Col A : r
Cola B: 20
9. x-y =5, xy!=0
col A : 1/x-1/y
Col B : 1/5
Ans: D
10. If one number is chosen at random from the first 1000 positive integers, what is the probability that the number chosen is a
multiple of both 2 and 8?
11. The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
ORKUT QUANT DATABASE (Till Nov 8th)
PS: If you find any mistakes please report here.
1. 2^(2n+1)- 2^2n = 2^1000 find n
A)500
B)1000
C)2000
Ans: A
2. -2<-1
Col a: 1/x3
Col b: 1/x
Ans:A
3. A+B=1 and M+T=2
A and M are positive and B and T are negative
Cola :A^2 + B^2
Col b: M^2 +N^2
Ans: D
4. n and k are positive no.'s
col a: (3^n/ 5^k)^2
colb: (n/k)^2
Ans: D
5. Twice the sum of two integers x and y , when divided by 7 gives remainder =1. What is the remainder when x+y is divided by 7.
Ans: 4
6. A telephone company has no.'s between 3000-3799. A Company called X uses the numbers from 3300-3499. Out of these
managers of Division1 level use numbers ending with 0 or 1. What percent of the telephone company numbers are used by
Managers of Division1 level of Comany X?
Ans: 5%
7. There was a $25 discount on every purchase of $75 there was a 10% charge on shipping which was added before the discount
and 20% sales tax after the discount was added. If john paid total $300 what was the original amount of purchase if no sales tax
was added.
8. x^2 +2x -8=0
sum of 2 roots is n.
Col a: n
Col b:-2
Ans:C
9. How many three digit numbers are there such that the 100's digit is twice 10's digit and 10's digit is twice units digit.
Ans:2
10. A line 'l' passes through (3,-2) and cuts the coordinate axis.
Column A : x intercept of line l
Column B : y intercept of line l
Ans: D
11. F(x)=x^2+1
Cola: f(x+1)
Colb: f(x) +f(1)
Ans:D
12. A semicircle was given with area =2pie
find the perimeter of the semicircle
Ans: 2pie+4
13. A company sold a product for x dollars in 1990. The price of the product would increase by 2.5% every year. Which of the
following expressions could be used to calculate the price of the product in the year 2000?
A. x * (25)^10
B. x * (0.25)^10
C. x * (1.25) ^ 10
D. x * (1.025)^10
E. x * (0.125) ^ 10
Ans: D
14.Compare:
Col A: {[Sqrt(6) + Sqrt(7)] [Sqrt(6) - Sqrt(7)]} / Sqrt(6)
Col B: {[Sqrt(7) + Sqrt(6)] [Sqrt(7) - Sqrt(6)]} / Sqrt(7)
Ans:B
15.(1/2 - 1/3) + (1/3 - 1/4) + (1/4 + 1/2) = ?
Ans: 1
16. A line intersects the Y-axis at (0,a) and X-axis at (a,0). If the line passes through the point (-3,-3), find the value of a.
Ans: -6
ORKUT QUANT DATABASE (Till Nov 7th)
1. Biologists working to estimate the population of foxes in small town captured and tagged 30 foxes on one night. The foxes were then released. The next night they captured 30 foxes and found that 6 of them had already been tagged. The best estimate for the fox population of the town would be
A. 30
B. 36
C. 60
D. 150
2. In a group of people solicited by charity 25% contribute $20, 45% contributed $10 and the rest contributed $5. If the charity received a total of $750 from those who contributed $5, how much did they receive in total from those solicited?
A. $5,500
B. $5,250
C. $4,750
D. $2,500
E. $1,700
Ans: A
3. What is the value of x, if 2^(2x + 1) = 8^(x - 3)
A. -4
B. -1
C. 4
D. 8
E. 10
Ans: E
4. The point of intersection of lines 3x-5y=7 and 2x+10y=-3, lies in
A. On X-Axis
B. On Y-Axis
C. In Quadrant I
D. In Quadrant III
E. In Quadrant IV
Ans:E
5. A ranch has horses and ponies. Five-sixths of the ponies have horseshoes. Half of the ponies with horseshoes are Icelandic. If there are three more horses than ponies, what is the minimum number of horses and ponies on the ranch?
A. 12
B. 15
C. 27
D. 48
E. 54
Ans: C
6. x is an integer such that x > 3
Cola: number of even factors of 2x
Colb: number of odd factors of 3x
Ans: D
7. Twice sum of integers when divided by 11 leaves remainder 4
what is the remainder when sum of numbers is divided by 11
Ans: 2
8. x when divided by 7 leaves remainder 4.What is the remainder when 2x + 5 is divided by 7.
A. 2
B. 3
C. 4
D. 5
E. 6
Ans: E
9. 4 points A,B,C,D on a straight line such that AD:AB = 9:1 and AD:AC = 4:1
points A,B,C,D are:-
A. -20 -8 -10 16
B. -20 -16 -11 16
C. -20 -16 -11 16
D. -20 -16 -11 7
E. -20 -10 -11 7
Ans: B
10. A label of vertical width w is stick on a cylinderical vessel with area A(some number) and height 10 cm.
Cola: w
Colb: 4.5
Ans: D
11. A telephone call charges at the rate x for first 1 minute, and y for the remaing time of the call. If the total charge for the call was $2.49, what was the call duration in terms of x and y.
Ans: ($2.49 - x)/y + 1
ORKUT QUANT DATABASE (Till Nov 6th)
1. What is the least possible product of 4 different integers, each of which has a value between –5 and 10, inclusive?
(A) - 5040
(B) - 3600
(C) - 720
(D) - 600
(E) - 120
Ans : B
2. The reflection of a positive interger is obtained by reversing the digits. For example, 321 is the reflection of 123. The difference between a five-digit interger and its reflection must be divisible by which of the following?
(A) 2
(B) 4
(C) 5
(D) 6
(E) 9
Ans: E
3. Probability of an event M, P(M) < 0.25
col A : Probability of M not occurring.
col B : 3/4
Ans: A
4.The polygon has 27 diagonals. The no. of sides of the polygon is
Ans: 9
5. Prodct of 10 integers is odd -ve integer.
Col a: number of odd integers in product.
Col b: no of -ve integers.
Ans: D
6.Given d is distance of a stone thrown from a building d=16t^2 , d was given as 200. What is the range of t?
A) 1 to 2
B) 2 to 3
C) 3 to 4
D) 4 to 5
E) 5 to 6
Ans: C
7. 3,1,4,2,3,1,4,2......... is a series in which 3,1,4,2 are repeated for every 4 terms then wht is the product of the 67th,68th term?
A. 2
B. 4
C. 6
D. 8
E. 3
Ans: D
8. in a triangle the three angles are given as X,X,Y. and the avg of two angles is 65, then wht is the possible value of Y in the below options?
A. 60
B. 65
C. 70
D. 75
E. 80
Ans: E
9. Vertically Opposite angles. One was 75 and other was 2x+1 what's x ?
Ans: 52
10. Machine A can produce a doll in 1+2/3 mins. Machine B can produce 3 dolls in 15 mins Whats time required to produce 30 dolls if the two work together
Ans: 37.5mins
11.Bryan and Kathleen live 150 miles apart. They each drive toward the other's house along a straight road connecting the two,Bryan at a constant rate of 30 miles per hour and Kathleen at a constant rate of 50 miles per hour. If Bryan and Kathleen leave their houses at the same time, how many miles are they from Bryan's house when they meet?
A) 40
B) 51.5
C) 56.25
D) 75
E) 93.75
Ans: C
12.Given a square A of unknown sides, joining the midpoints , there is another square formed inside in it. The area of this inner square is....
Ans: 1/2 of area of square A
13. x^2+2x-8=0
Col A:The sum of the roots
Col B:-2
Ans: C
14. Points were given in the diagram as (0,u) and ( 3u,0)
Col A:Slope
Col B:-1/4
Ans:B
15. |x-2|>4 then which of the following is true with the above realation
A) -2
B) -4
C) -2
D) -6
Ans: A
16. Given numbers...(0.5)^-2 , (0.5)^-1 , (0.5)^0 , (0.5)^1 , (0.5)^2. Find the range of the above numbers.
Ans: 3.75
17. An equilateral pentagon and an equilateral triangle were given. The perimeter of pentagon is twice that of triangle.
Col A: Side of pentagon
Col B: Side of triangle
Ans: A
ORKUT QUANT DATABASE (Till Nov 5th)
1. On a street, there are four houses which are to be painted. There is a choice of three colors, and one house will be painted with a single color. In how many ways can the houses be painted?
A. 4
B. 24
C. 64
D. 81
E. 128
Ans:D
2. ABCD is a rectangle with AC and BD being its diagonals. Point D lies on the circumference of a circle having radius 7 and centre at B.
Col A: Length of diagonal AC
Col B: Radius of circle
Ans. C
3.There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is 0.06m, what is the volume of the concrete used in constructing the tank?
Ans: 1.68pi cu.m.
4. Given a square A of unknown sides, joining the midpoints , there is another square inside in it.
Col a: area of inner square
Col b: 1/3 of area of A
Ans:A
5.Col a: 0, 5, 10, 25, 30.
Col b: 5, 10, 25, 30.
Which set's mean is greater?
Ans: B
6. Probability that a number is a non prime out of 1 to 15 numbers?
Ans: 3/5
7. f(x)=(2x-3)( 2x+3)=ax^ 2+bx+c
Col a: a+b+c
Col b: -5
Ans: C
8. John's salary for a particular month is given by the equation: 1520 + 0.15x where x is the amount obtained from the sales made by John. In July 2000, John got $300 more than June 2000. By how much did John's sales increase in July 2000 as compared to June 2000?
Ans : $2000
9. Col A: (0.9/1.1) 2 +(1.1 /0.9)2
Col B: 2
Ans: A
10. (x(x+5)+x(x-5)) / ((x+2)+(x-2))
Ans: x
ORKUT QUANT DATABASE (Till Nov 2nd)
1.A company sold a product for x dollars in 1990. The price of the product would increase by 2.5% every year. Which of the following expressions could be used to calculate the price of the product in the year 2000?
A. x * (25)^10
B. x * (0.25)^10
C. x * (1.25) ^ 10
D. x * (1.025)^10
E. x * (0.125) ^ 10
Ans: D
2.Consider circle with centre O. AB is a chord of the circle. AOB is a right angle. C is a point on the circumference of the circle such that angle BOC = 60 degrees. Compare:
Col A: Area of Triangle AOB
Col B: Area of sector BOC
3.x^2 + y^2 =7
Col a:x+y
Col b:x-y
Ans: D
4. x^2 +2x -8=0
product of 2 roots is n.
Col a: n
Col b:-2
5. A rectangular aquarium base has dimensions 10*8 and height 10. Aquarium is filled upto the height of 6, a solid bar is immersed into it... there by increasing the water level to 7.
Col a:the bar dimensions
Col b:100 cubics
Ans:B
6. There are 5 black marbels and 3 red marbles, probability of getting exactly 1 black marble and 1 red marble
a)5/56
b)5/64
c)15/64
d)15/56
e)0.5
7. Where will the point of intersection of the lines 3x + 5y = 7 and 2x - 10y = - 3 lie?
A. On X-Axis
B. On Y-Axis
C. In Quadrant I
D. In Quadrant III
E. In Quadrant IV
Ans:C
8. Compare:
Col A: {[Sqrt(6) + Sqrt(7)] [Sqrt(6) - Sqrt(7)]} / Sqrt(6)
Col B: {[Sqrt(7) + Sqrt(6)] [Sqrt(7) - Sqrt(6)]} / Sqrt(7)
Ans:B
9. On the number line, the co-ordinate of point P is -5 and the co-ordinate of point R is 10. The point Q is situated in between P and R such that the ratio of distance between P and Q to the distance between R and Q is 2 is to 3. What is the co-ordinate of point Q?
Col A: co-ordinate of point Q
Col B: 0
Ans: A
10. There are 37 employees in a company X. The month of july has more number of birthdays (of employees) than any other month in the year.
Col A: Number of Birthdays in July
Col B: 3
11. (1/2 - 1/3) + (1/3 - 1/4) + (1/4 + 1/2) = ?
Ans:1
12. A line 'l' passes through (3,-2) and cuts the coordinate axis. line 'm ' is perpendicular to line 'l' .
Column A : Slope of line m
Column B : 3/2
Ans:C
13.A certain recipe makes enough batter for exactly 8 circular pancakes that are each 10 inches in diameter. How many circular pancakes, each 5 inches in diameter and of the same thickness as the 10-inch pancakes, should the recipe
make?
A) 4
B) 16
C) 24
D) 32
E) 40
14. n is a +ve no... which of the following is an integer
a)((n+1)/2)^3x+2
b)((n-2)/2)^3x+2
c)(n+1/2)^3x+2
ORKUT QUANT DATABASE (Till Nov 1st)
1.There are five persons A,B,C,D,E. What are the possible combinations they are seated provided C and D always sit nearby?
Ans : 48
2.Col A : (1/9 + 1/10 + 1/11 + 1/12 + 1/13 + 1/14 + 1/15)
Col B : 7/12
Ans : Col A
3.A right angled triangle was given which was not to scale....hypotenuse 10...and the other two sides were 6.1 and 8.1 the angle between 6.1 and 8.1 is X degrees.
Col A: X degrees
Col B: 90
Ans: C
4.Two semicircles with thier diameters coincident...outer semicircle has diameter 12 feet and inner semicircle has diameter 8 feet.The outer minus inner was painted with green paint at some cost per sq feet and the inner was
painted with red at the same cost per sq feet.
Col A: cost of green paint
Col B: cost of red paint
Ans: A
5. -2
Col b: 1/x
Ans:A
6. Given numbers...(0.5)^-2 , (0.5)^-1 , (0.5)^0 , (0.5)^1 , (0.5)^2. Find the range of the above numbers.
Ans: 3.75
7. An equilateral pentagon and an equilateral triangle were given. The perimeter of pentagon is twice that of triangle.
Col A: Side of pentagon
Col B: side of triangle
Ans: A
8. Col A: 50 square + 51 Square + 52 square
Col B: 3(square of 52)
Ans: B
9. 3^-1(5^-1+10^-1)=
Ans:10^-1
10.There is a number 90n; What is the least value of n so that the number is a perfect cube?
A) 120
B) 180
C) 240
D) 280
E) 300
Ans : E
11. a<0
Colb : ac
12. w>0 , z>0
Col a: w^4 + z^3
Col b: w^2 + z
Ans: D
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