Question

two balls are drawn from a bag containing 5 white and 7 black balls at random. what is the probability that they would be of different colours​

Answer 1

Answer:

5/12 probability of white ball and 7/12 of black ball.

Step-by-step explanation:

No. of white balls = 5

No. of black balls = 7

Answer 2

Answer:

Step-by-step explanation:

formula= total no of favourable cases

divided by total no of cases

total balls= 7+5 balls

=12 balls are only white and black so

balls of different colour = 0

= 0 divided by 12

=0