There are 4 red balls 5 white and 3 green balls in a basket 3 balls are chosen at random What is the...........

Quantitative Aptitude ( CCS) Probability

There are 4 red balls, 5 white and 3 green balls in a basket. 3 balls are chosen at random. What is the probability that there is at most 1 green ball?

13/40

48/55

25/68

8/33

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Explanation:

Answer & Explanation
48/55
Explanation:
Case 1: 0 green ball means all three red or white balls
9C₃/12C₃
Case 2: 1 green ball and two red or white balls
9C₂*3C₁/12C₃
Add both cases.