Discussion of Question with ID = 065 under Permutations-and-Combinations

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Question

In how many ways can 9 different types of ice-creams be distributed among 5 boys?

A

15120.

B

15125.

C

15118.

D

15121.

Soln.
Ans: a

The first can get any of the 9 ice-creams, the second can then get (9 - 1), and so on. This is expressed as 9P5, which evaluates to 15120.


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