A bag contains 5 red, 4 blue, and 3 green balls. Two balls are drawn at random without replacement. What is the probability that both balls are of…

CA Foundation · Quantitative Aptitude · PYQS · May 2026
A bag contains 5 red, 4 blue, and 3 green balls. Two balls are drawn at random without replacement. What is the probability that both balls are of different colours?
(A) A. 45 / 66
(B) B. 47 / 66
(C) C. 47 / 132
(D) D. 45 / 132

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 47 / 66

Topics: Part-C: Statistics

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