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