Question

A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball from the bag is thrice that of red ball, find the number of blue balls in the bag (15)

Answer 1

Answer:

Step-by-step explanation:

Let the prpbaolity of 5 red balls are 5/x .. where x are number of balls

The probalily of blue ball =x+5/x

The problaility of drawing a blue ball is thrise that of red ball. Then

X+5=. (3)(5)

___. ___..... .acording to the ques.

X. X

Xsq + 5x=15x

Xsq-10x=0

Xsq=10x

X=10

There are 10 blue balls in the bag

Here wego✌