Math, asked by mohanjee4623, 1 year ago

In a bag there are 6 black , 9 yellow and some white ball.A ballis randomly selected and the probability the ball is white is 1/4 find the total no of balls

Answers

Answered by Anonymous
4
Let the number of white balls = x

=> total number of balls = 9+6+x = 15 + x


probability of getting a white ball = x/ 15+x

= 1/4 (given)

x/15+x = 1/4
4x= 15 + x
3x = 15
x= 5






the number of white balls = 5

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