Practice Questions on Probability
Aptitude Questions and Answers

Easy Probability Question - 26

Q26.

In a race, the odd favour of cars $P,Q,R,S$ are $1:3, 1:4, 1:5$ and $1:6$ respectively. Find the probability that one of them wins the race.

A.

9/17

B.

114/121

C.

319/420

D.

27/111

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Easy Probability Question - 27

Q27.

Set A = {2,3,4,5}

Set B = {4,5,6,7,8}

Two integers will be randomly selected from the sets above, one integer from Set $A$ and one integer from Set $B$.

What is the probability that the sum of the two integers will equal 9?

A.

0.20

B.

0.25

C.

0.30

D.

0.33

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Easy Probability Question - 28

Q28.

From a pack of 52 cards, 3 cards are drawn. What is the probability that one is ace, one is queen and one is jack?

A.

19/5525

B.

21/5525

C.

17/5525

D.

16/5525

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Easy Probability Question - 29

Q29.

Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl.

A.

27/34

B.

25/34

C.

19/34

D.

21/34

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Easy Probability Question - 30

Q30.

A bag contains 7 green and 5 black balls. Three balls are drawn one after the other. The probability of all three balls being green, if the balls drawn are not replaced will be:

A.

343/1728

B.

21/36

C.

12/35

D.

7/44

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