11th - December - GRE - Quant

11th - December - GRE - Quant
« on: December 12, 2007, 12:56:06 AM »

11th - December - GRE - Quant

1. If Y+3 is a multiple of 5 and Y-5 is a multiple of 3,then What is the multiple of y^2?

2. Given numbers -17, -13, -9, 7, 14,19. Find range, median, standard deviation?

3. Given a number line with numbers 6/32, 6/19, 9/32. Find the greatest number?
Ans : 6/19

4. x=0.01
Col a: square root x
Col b: 1/x

5. From even numbers between 1 to 9 two different numbers are chosen at random. What is probablity that their sum will be 8.
a)1/2
b)1/4
c)1/6

6. Given pq not equal to zero
Col a : (p+q)^2
Col b :p^2+q^2
Ans: D

7. Given series a1,a2, .......,ar, ak-1, ak (here 1,2,r,k,k-1 are suffix) and a1=3, ak=ak- 1 + 4. Find a20?
Ans: 79

8. There are 43 persons in a group. 'D' is the shortest person in height among all 43 persons and 'E' is the tallest person among all 43 persons.
Cola :range of all 43 persons
Colb :range of only the two persons(D & E).
Ans : C

9. (33 1/2)% of (40) / (100)% of (160) = X % of 800. Then X= ?