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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy
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Application +4 | -1
There are nn number of sets and m number of people have to be seated, then how many ways are possible to do this (m<n)?\left( {m < n} \right)?
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Correct option: A
  nPm{\;^n}{P_m}
Option A (  nPm{\;^n}{P_m}) is correct because it represents the number of ways to select and seat m people from n sets, considering the order.

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