November - 22st - GRE - Quant

November - 22st - GRE - Quant
« on: November 23, 2007, 11:36:17 AM »

November - 22st - GRE - Quant

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
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shilpa
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Re: November - 22st - GRE - Quant
« Reply #1 on: November 23, 2007, 11:36:51 AM »

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