GRE Problem Solving Sample Questions Samples

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1.Question

If P(n-1,3):P(n,4)=1:9, find n.

A. 6

B. 7

C. 8

D. 9

E. 4

Correct Answer: D

2.Question

How many four-digit numbers are there with distinct digits?

A. 6547

B. 10000

C. 3600

D. 4536

E. 5040

Correct Answer: D

3.Question

In how many ways can 9 students be seated in a row such that the tallest child and the shortest child never sit together?

A. 564480

B. 282240

C. 141120

D. 70560

E. 23416

Correct Answer: B

 

 

4.Question

Find the number of words formed by permuting all the letters of the word EXERCISES.

A. 181440

B. 60480

C. 362880

D. 15000

E. 30240

Correct Answer: E

5.Question

If there are 10 persons in a party and if each two of them shake hands with each other, how many handshakes happen in the party?

A. 45

B. 30

C. 100

D. 25

E. 73

Correct Answer: A

 

GRE Problem Solving Sample Questions Samples

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