### GRE quant 13th oct

1. If x < 0, then

Col A: 1/x

COl B: -1/x

2. For a cylinder of radius 'r' and height 'h'

Col A: Total surface area

Col B: Curved surface area

3. Given two series of P & F, in which each upcoming term in P series is twice the preceding term and each upcoming term in F series is three times the preceding term. If P1 = 5, F1 = 2, then for which value Pk > Fk.

(Here 1, k are suffixes)

4. Given that A & B can complete a work in 8 hours each and C can do it in 12hours. In how much time will all of them finish the work if they work together?

5. There were 37 employees in a company. If the month july has more number of birthdays than any other month then what is the number of birthdays in july?(provided every month should have atleast 3 birthdays)

Col A: Number of birthdays in july

Col B:3

6. Given three points (2,4),(5,3) & (k,1). If these three points are collinear, then find value of k?

(Question is similar to this)

7. If 'X' machines work for 'Y' hours to produce 'Z' products, then how many hours will 'A' machines take to produce 'B' products provided if the rate of two machines are same?(Values of X, Y, Z, A & B were given)?

8. Let S1, S2, S3,... ,Sn be a series such that, Sn+1 = (1/2)Sn, then

Col A: S6 (2^14)

Col B: S20

(Here 1, 2, 3, 6, 20, n & n+1are suffixes)

9. If -2 < x < -1, then

Col A: x

Col B: 0

10. If |k+2| = |k-2| then,

Col A: k

Col B: 0

11. If -2 < x < -1, then

Col A: x^-3

Col B: x^-1

12. Given 'N' is a positive integer, such that when its multiplied with 3/5 and the resultant is divided with 7/10 then its equal to which of the following

a) N*(6/7)

b) N/(5/2)

& so on...

13. Given a straight line equation in X,Y terms

Col A: The slope of the line if the intercepts of X,Y are equal

Col B: 0

14. If x =! -1, then

ColA: 1/(2x + 2)

ColB: 1/(x + 1)

15. Given there are 800 doctors who says 'yes' to the drugs P, Q, R that they work effectively.

P drug....some 38%

Q drug....some 52%

R drug.....some 71%

now, how many doctors say "yes" to Q drug and "don't say yes" to the drug R?

A. 312

B. 910

& so on....

16. Given two straight lines x+y = 1 & 2x+2y = 8, then

Col A: The shortest distance between the two lines

Col B: 3