Probability - Mathematical Quiz Questions and Answers

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:

A. 21/46
B. 25/117
C. 1/50
D. 3/25

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

A. 1/10
B. 2/5
C. 2/7
D. 5/7

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

A. 1/15
B. 25/57
C. 35/256
D. 1/221

Two dice are tossed. The probability that the total score is a prime number is:

A. 1/6
B. 5/12
C. 1/2
D. 7/9

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