1.

The number of ways in which 20 mangoes may be distributed among 5 children, so that each child gets at least one mango is (1) 20C4 (2) 19C4 (3) 24C3 (4) 19C5

Answer»

Correct option (1) 19C4

Explanation: 

The number of ways = The number of positive integral solutions of x + y + z + t + u = 20 = 19C4 (by partition method).



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