1.

A box contains 8 red, 3 white and 9 black balls. If three balls are drawn at random, find the probability that: (i) All three balls are of different colour, (ii) One ball is red and two balls are white. (iii) All three balls are black.

Answer»


ANSWER :(i) `(18)/(95)`(ii) `(2)/(95)`(iii) `(7)/(95)`


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