Question

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

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

Answer 1

Answer: (C)

$\frac{2}{7}$

Since, Total lotteries = $35$
No. of prizes = $10$
$\therefore$ favorable cases = $10$
$\therefore$ Required probability = $\frac{10}{35}=\frac{2}{7}$
$\therefore$ Option C is correct.