Question

A bag contains 6 red balls, 12 green balls and 8 black balls. Find the probability that the ball drawn is either a black or a red ball.

• A. $\frac {13}{7}$
• B. $\frac {1}{13}$
• C. $\frac {7}{13}$
• D. $\frac {1}{7}$

Answer 1

Answer: (C)

$\frac {7}{13}$

Answer 2

The correct option is (C): $\frac {7}{13}$.