Probability

Quantitative Aptitude ( CCS)

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A bag contains 5 blue balls, 4 black balls and 3 red balls. Six balls are drawn at random. What is the probability that there are equal numbers of balls of each color?

11/77

21/77

22/79

15/77

Explanation:

⁵C₂× ⁴C₂× ³C₂/ ¹²C₆= 15/77

Hence, option 4 is the correct answer.

By: Amit Kumar

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