Question

In a lottery, there are 9 prizes and 21 blanks. A lottery is drawn at random. What is the probability of getting a prize?

A 1/3 Correct Answer Incorrect Answer
B 3/10 Correct Answer Incorrect Answer
C 11/41 Correct Answer Incorrect Answer
D 5/18 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

P (getting a prize) = 9/(9 + 21) = 9/30 = 3/10.

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