Question

The probability of drawing a white ball from a bag containing 3 black balls and 4 white balls, is

• A. $\frac { 4 } { 7 }$
• B. $\frac { 3 } { 7 }$
• C. $\frac { 1 } { 7 }$
• D. None of these

Answer 1

Answer: (A)

$\frac { 4 } { 7 }$

Answer 2

Required probability$= \frac { 4 } { 7 }$.