In an urn, there are 30 blue balls, 30 black balls and 30 red balls. If a ball is picked from the urn then find the probability that the ball is blue?

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Solution

The correct option is B

The total number of balls in the urn = 90

Probability of drawing a blue ball = P(Blue) = $\frac{N o . o f b l u e b a l l s}{T o t a l n o . o f b a l l s}$

$\frac{30}{90} = \frac{1}{3}$

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In an urn, there are 30 blue balls, 30 black balls and 30 red balls. If a ball is picked from the urn then find the probability that the ball is blue?

The correct option is B The total number of balls in the urn = 90 Probability of drawing a blue ball = P(Blue) = No. of blue ballsTotal no. of balls 3090=13

The correct option is B

The total number of balls in the urn = 90

Probability of drawing a blue ball = P(Blue) = $\frac{N o . o f b l u e b a l l s}{T o t a l n o . o f b a l l s}$

$\frac{30}{90} = \frac{1}{3}$