Combinatorics..#4
There are two urns. Urn A has 3 distinct red balls and Urn B has 9 distinct blue balls. From each Urn two balls are taken out at random and transferred to the other. The number of ways in which this can be done is
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The answer is 108.
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1 solution
Its solution is simple ,just we have to apply , 9c2 × 3c2 = 108