A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random

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A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is:

Options:

A . 1/22

B . 3/22

C . 2/91

D . 2/77

Answer: Option C
Answer: (c).2/91

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