JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

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There are '

n

' seats round a table numbered

1,2,3, \ldots n

The numbers of in which

m(\leq n)

persons can take seats is

View answer and explanation

Correct option: A

{ }^n P_m

Option A (

{ }^n P_m

) is correct because the seats are numbered, indicating a linear arrangement, and thus the number of ways to seat m persons in n seats is given by the permutation

{ }^n P_m

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\left( {m + n} \right)

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