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

1. 

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

Answer: Option C

Explanation:

 

P (getting a prize) = 10 = 10 = 2 .
(10 + 25) 35 7
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