JEE MainMathematicsPermutations and CombinationsMCQ+4 / −1
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
- A36
- B66
- C108
- D3
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