Question

A bag contains 3 red, 4 white and 5 black balls. Three balls are drawn at random. The probability of being their different colours is

• A. $\frac { 3 } { 11 }$
• B. $\frac { 2 } { 11 }$
• C. $\frac { 8 } { 11 }$
• D. None of these

Answer 1

Answer: (A)

$\frac { 3 } { 11 }$

Answer 2

Probability $= \frac { 3 } { 11 }$