Question

A bag contains 5 Red 8 White and 8 Black balls, A ball is drawn at random from the bag. Find the probability that the drawn ball is neither white nor black?

• A. $\frac{7}{20}$
• B. $\frac{1}{4}$
• C. $\frac{2}{5}$
• D. $\frac{2}{6}$

Answer 1

The correct option is B $\frac{1}{4}$

Total outcomes $=5+8+7=20$
Favourable outcome $=\frac{5}{20}=\frac{1}{4}$