Question
A basket contains 4 yellow balls, 10 green balls, and 6
white balls. If two balls are taken out one after another without putting the first one back, find the probability that both balls are green.Solution
ATQ,
Total number of balls in the basket = 4 + 10 + 6 = 20
Number of green balls = 10
Probability that both balls are green = ¹⁰C₂/²⁰C₂ = 45/190 = 9/38
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