Question

10. A basket contains 4 white and 10 black
balls. There is another basket which
contains 5 white and 7 black balls. One ball
is to be drawn from either of the two
baskets. What is the probability of drawing
a black ball? *
​

Answer 1

total balls=24

probablity of randomly picking up black ball will be

17/24

Answer 2

Step-by-step explanation:

Probability of drawing a black ball from First basket = no of black balls ÷ total number of balls

= 10÷14 = 5/7

Probability of drawing a black ball from second basket, similarly = 7/12

Since we have to find the probability of first AND second basket, we will multiply the probabilities.

Total probability

= 7/12 x 5/7 = 5/12 (Answer)