Practicing Success
There are two bags. Bag-1 contains 4 white and 6 black balls and Bag-2 contains 5 white and 5 black balls. A die is rolled, if it shows a number divisible by 3, a ball is drawn from Bag-1, else a ball is drawn from Bag-2. If the ball drawn is not black in colour, the probability that it was not drawn from Bag-2 is: |
$\frac{4}{9}$ $\frac{3}{8}$ $\frac{2}{7}$ $\frac{4}{19}$ |
$\frac{2}{7}$ |
The correct answer is Option (3) → $\frac{2}{7}$ |