Question

A bag contains 6 red balls. 8 white balls, 5 green balls and 3 black balls. One ball is drawn at random from the bag. find the probability that the ball is red or black.

• A. $\frac{7}{22}$
• B. $\frac{8}{22}$
• C. $\frac{9}{22}$
• D. $\frac{5}{22}$

Answer 1

The correct option is C $\frac{9}{22}$

Total outcomes $=6+8+5+3=22$
Favourable outcomes $=6+3=9$
$\therefore$ Required probability $=\frac{9}{22}$