Math, asked by srk1299p4tevi, 1 year ago

A bag contains 5 red balls and some blue balls. The probability of drawing a blue ball from the bag is thrice that if red ball. Find the number of blue balls in the bag

Answers

Answered by SakshaM725
13
let the number of blue balls be 'X'
number of red balls = 5
total number of balls = X + 5

P ( blue ball) = X/(X + 5)
P (red ball) = 5/(X + 5)

According to question,
3 × 5/(X + 5) = X /(X + 5 )
15 × (X + 5) / (X + 5) = X
15 = X

Ans. Number of blue balls in the bag = 15
Answered by mmeenatchi460
1

Answer:

Step-by-step explanation:

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