Question

The probability of selecting a red ball at random from a jar that contains only red,
balls is . The probability of selecting a blue balls at random from the same jar is . If the jar contains10 orange balls, find the total number of ball in the jar.

please don't cheat from Google​

Answer 1

Probability of selecting a red ball = 1/4

Probability of selecting a blue ball = 1/3

Probability of selecting a orange ball = 1 - (1/4 + 1/3) = 5/12

Jar contains 10 orange balls.

Total number of balls in the jar = (10 * 12)/5

=> 120/5

=> 24

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