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GRE Problem Solving Sample Questions 1 | GRE Problem Solving Sample Questions 2 | GRE Problem Solving Sample Questions 3 | GRE Problem Solving Sample Questions 4 | GRE Problem Solving Sample Questions 5
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
Correct Answer: E
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%
Correct Answer: C
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
Correct Answer: B
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
Correct Answer: D
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
Correct Answer: B
GRE Problem Solving Sample Questions 1 | GRE Problem Solving Sample Questions 2 | GRE Problem Solving Sample Questions 3 | GRE Problem Solving Sample Questions 4 | GRE Problem Solving Sample Questions 5
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