There are two urns. Urn A has 3 distinct red balls and urn B has 9

Question:

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 then transferred to the other. The

number of ways in which this can be done is -

  1. 3

  2. 36

  3. 66

  4. 108


Correct Option: , 4

Solution:

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