Question

a bag contains 15 red balls and some white ball . if the probability of drawing a white ball from the bag is 1 by 6 find the number of white ball in the bag

Answer 1

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Step-by-step explanation:

Let the Number of white balls in a bag= x

Number of red balls in a bag= 15

Total number of balls in a bag= 15+x

Probability of drawing a white ball from the bag=1/6 ( given)

Probability (white) = number of white balls in a bag /total number of balls in a bag

1/6 = x/ (15+x)

6x = 15+x

6x - x = 15

5x= 15

x= 15/5= 3

x= 3

Hence, the number of white balls in the bag is 3