A box contains 24 marbles, some are green and other are blue. If a marble is drawn at random from the box, the porbability that it is green is 2/3. The number of blue balls in the box is
Correct Answer: 8
Explanation:
Let the number of green marble = x
Then, Probability of getting a green marble
= xc1 / 24c1 = 2/3
⇒ x/24 = 2/3
⇒ x = 16