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What will be the probability of one ball is white & other is green?

+1 vote

3 red, 2 white and 3 green balls are available in a bag. 2 balls are drawn one by one from the bag.

What will be the probability of one ball is white & other is green?

posted Mar 3, 2015 by anonymous

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1 Answer

–1 vote

Probability of first ball having white color = 3/8
and that of second ball having green color = 3/7
so probability = 2/8 * 3/7 = 6/56
no of methods to make arrangement = 2*1 = 2 (WG and GW)
so net probability = 6/56 * 2 = 12/56 = 3/14

answer Mar 4, 2015 by Ankur Athari

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