Question

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. $\frac{1}{10}$
• B. $\frac{2}{5}$
• C. $\frac{2}{7}$
• D. $\frac{5}{7}$

Answer 1

The correct option is C $\frac{2}{7}$

P (getting a prize) = $\frac{10}{(10+25)}=\frac{10}{35}=\frac{2}{7}$