November - 29th - GRE - Quant

November - 29th - GRE - Quant
« on: November 30, 2007, 12:54:30 AM »

November - 29th - GRE - Quant


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
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Re: November - 29th - GRE - Quant
« Reply #1 on: November 30, 2007, 12:54:51 AM »

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
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Re: November - 29th - GRE - Quant
« Reply #2 on: November 30, 2007, 12:55:09 AM »

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(Cool 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