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If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls. Then, the…
If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls. Then, the probability that the drawn balls are of different colours is:
- (a)$\frac{1}{66}$
- (b)$\frac{3}{66}$
- (c)$\frac{19}{66}$
- (d)$\frac{47}{66}$
Answer
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From ISC 2022 Specimen Mathematics Paper 1, question 1(vi).