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Fundamental Principle of Counting

Number of way...

Question

Number of ways in which 7 people can occupy six seats is equal to :

A

7!

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B

6!

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C

8!

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D

none

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Solution

The correct option is A 7!
No .of people $7$

No .of seats $6$

No .of ways $^{7} P_{6} = \frac{7!}{1!} = 7!$

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