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in how many ways 40 students of a class can be divided into two equal groups such that the tallest and shortest do not belong to the same group .(use combinations)

in how many ways 40 students of a class can be divided into two equal groups such that the tallest and shortest do not belong to the same group .(use combinations)

Grade:12

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
6 years ago
So if we separate the tollest and shortest person. Then choose the remaining 19 people from the group of 38 (19C38) and put them in any of the group. Thanks.

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