Question

A bag contains 5 red Balls and some blue balls.
So probablity of drawing a blue ball at random from
bag is 3 times that of red ball, find number of blue
balls in bag.
I want step by step calculation on this question​

Answer 1

Step-by-step explanation:

So, the probability of any event is mn. According to the problem, the probability of drawing a blue ball from the bag is thrice that of a red ball. Hence, the total number of blue balls in the bag is 15.

Answer 2

Step-by-step explanation:

step step by step explanation is given in attachment and in the simple way: we can say that

red ball = 5

probability of drawing blue ball = thrice of red ball = 5 x 3 = 15

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