Question

a box contains 40 balls of the same shape and weight . Among the balls 10 balls are white , 16 are red and rest are black. what is the probability that a ball drawn from the box is not black ?​

Answer 1

.................... ...........

Answer 2

Answer:

total ball =40

white ball =10

red = 16

so black are=14

p (not black) =26/40

=13/20