Question

A person is asked to randomly pick two balls from a bag which has 15 yellow & 5 red balls. The probability that the person picks two balls of the same colour is

Answer 1

Answer:

2/20 = 10

Step-by-step explanation:

Number of balls in the bag = 15 yellow + 5 red

                                             = 20 balls

The probability of getting two balls of same colour ( either red or yellow )

= 2/20 = 10

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