# Practice Questions on ProbabilityAptitude Questions and Answers

## Moderate Probability Question - 21

 Q21. There are 2 positive integers $x$ and $y$. What is the probability that $x+y$ is odd?
 A. 1/4 B. 1/3 C. 1/2 D. 1/5

## Moderate Probability Question - 22

 Q22. Abhishek has 9 pairs of dark blue socks and 9 pairs of black socks. He keeps them all in the same bag. If he picks out three socks at random, then what is the probability that he will get a matching pair?
 A. $1$ B. $\dfrac{2\times ^9C_2\times ^9C_1}{{18}^C_3}$ C. $\dfrac{ ^9C_3\times ^9C_1}{{18}^C_3}$ D. None of these

## Moderate Probability Question - 23

 Q23. The probability that a arrow fired from a point will hit the target is 1/4. Three such arrows are fired simultaneously towards the target from that very point. What is the probability that the target will be hit?
 A. 19/64 B. 23/64 C. 23/67 D. 37/64

## Moderate Probability Question - 24

 Q24. $A$ and $B$ play a game where each is asked to select a number from 1 to 5. If the two numbers match, both of them win a prize. The probability that they will not win a prize in a single trial is:
 A. 1/25 B. 24/25 C. 20/25 D. 23/25

## Moderate Probability Question - 25

 Q25. A 5-digit number is formed by the digits 1,2,3,4, and 5 without repetition. What is the probability that the number formed is a multiple of 4?
 A. 1/2 B. 1/3 C. 1/4 D. 1/5
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