Aptitude - Probability - Discussion

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Q.

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:                         


A. 1/22 B. 3/22
C. 2/91 D. 2/77

Answer: Option C
Explaination:

 





Discussion

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