# GRE MATHS PROBLEM SOLVING-3

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## GRE Problem Solving Sample Questions Samples

1.Question
Find the odds in favour that when a number is chosen randomly from 6 to 50 then it is a multiple of 2 and not a multiple of 20.

A. 5:7
B. 1:8
C. 5:6
D. 3:5
E. 7:8

2.Question
The odds that A speaks the truth are 3:2 and the odds that B speaks the truth are 5:3. In what percentage of cases are they likely to contradict each other on an identical point?

A. 50%
B. 53.4%
C. 47.5%
D. 75.5%
E. 33.3%

3.Question
Let A, B and C denote separate generic traits. Suppose the probability that an individual will exhibit trait A is 1/2 and the probability that he exhibits B trait is 3/4 and the probability that he exhibits trait C is 3/5. What is the probability that he exhibits only one of the traits?

A. 1/4
B. 11/40
C. 1/6
D. 17/36
E. 11/36

4.Question
Four members are to be chosen from a group of 3 women, 2 men and 4 children. Find the probability of selecting exactly 2 children.

A. 3/50
B. 2/25
C. 1/5
D. 10/21
E. 1/50

5.Question
In a lot of 12 washing machines, there are 3 defective pieces. A person has ordered 4 washing machines. Find the probability that all the four are good.

A. 3/50
B. 14/55
C. 28/55
D. 54/55
E. 1/50

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