20th - December - GRE Questions - Quant

20th - December - GRE - Quant
« on: December 21, 2007, 08:18:34 AM »

20th - December - GRE - Quant

1. A line y = mx + b on the xy-coordinate makes a y-intercept which is twice the x-intercept.
Col A: m
Col B: -2
Ans: C

2. Col A: 1/ (0.01)^-10
Col B: 1/10^-20
Ans: B

3. Col A: (10^18 - 10^16)/9
Col B: 11(10^16)

4. A right triangle AEC with AE=EC=6 (AE & EC are base & height). B is apoint on the hypotenuse AC and D is a point on EC. BD is joined.
Col A: area of quadrilateral AEDB
Col B: 18

5. 1/ (1/6+1/6+1/6) = ?
Ans: 2

6. In how many ways can 1 professor and 5 students can be taken from 4 professors and 10 students.
Ans: 4c1 * 10c5

7. If 't' is ten's digit and 'u' is unit digit and 'N' is an integer such that 624<685. Which of the following is divisible by 3.
a)t+u
b)tu
c) ..... etc.

8. Given x is the principal amount deposited at 6% and y is the principal amount deposited at 10%. If y=3/4x
Col A: Interest for Rs. 10000 invested at 6%.
Col B: Interest for Rs. y invested at 10%
Ans: B

9. Given -1If 1, -1, x, x^2, x^3 is the series. Find median?
Ans: x^3

10. Find the number of numbers which has both square root and cube root between 1 and 2000


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hemanth
Full Member

Posts: 133


Re: 20th - December - GRE - Quant
« Reply #1 on: December 21, 2007, 08:18:53 AM »

11. n is a integer, then which of these is an odd number
I. n+3
II. n^2+4
III. n^3+5
A. none
B. 1 only
C. 2 only
D. 3 only
E. 1 and 3 only
Ans: A

2. If surface area of a cube is 36. Then Volume of the cube is?

13. If (2)^n / (2)^3 = 8 then n = ?
Ans: n = 6

4. Given a rhombus... with its side d1 = 24, and area = somevalue(XXX). Find d2?

15. A person buys two items of the same kind. If he sells one at 25% of profit and other at 25% of loss then what is the price of the item?
.. question is something like this....

16. If n is positive and ab=1
Col A:a^n
Col B:b^n
Ans: D

17. (33 1/3)% of (40) / (100)% of (160) = X % of 800. Then X= ?

18. Col a: 1+1/2-1/4+1/8-1/16+1/32
Col b: 2(1-1/2+1/4-1/8+1/16-1/32)

19. Find the percent increase in area of a rectangle, if length is increased by 10% and breadth is decreased by 5% .

20. In the xy plane, if x-intercept is c and y-intercept is r. Whats is the slope of that line?
Ans: -r/c