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Question

Mathematics Question on Permutations

In how many ways can 55 prizes be distributed among 44 boys when every boy can take one or more prizes ?

A

1024

B

625

C

120

D

600

Answer

1024

Explanation

Solution

First prize may be given to any one of the 44 boys, hence first prize can be distributed in 44 ways.
similarly every one of second, third, fourth and fifth prizes can also be given in 44 ways.
\therefore the number of ways of their distribution
=4×4×4×4×4=45=1024= 4 \times 4 \times 4 \times 4 \times 4 = 4^5 = 1024