Question

a bag contains 30 balls of which X are red 2x are green and 3X are white A ball is drawn from the bag at random find the

Answer 1

Red ball=x
Green ball=2x
White ball=3x
x+2x+3x=30
6x=30
x=30/6=5
:.red ball=5
green ball=2×5=10
white ball=3×5=15