Probability – 36

36. A bag contains 3 red, 4 white and 5 blue balls. All balls are different. Two balls are drawn at random. The probability that they are of different colour, is :

(a) 47/66
(b) 10/33
(c) 5/22
(d) none of these

Explanation
Explanation : No answer description available for this question. Let us discuss.
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