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The number of 5 people groups that can be selected from 9 people when two particular persons are not to be in the same group is

The number of 5 people groups that can be selected from 9 people when two particular persons are not to be in the same group is Correct Answer 91

Calculation:

We have to select 5 people group from 9 people such that two particular persons are not selected together,
Number of ways = (5 people are selected from 9) - (2 particular people already in the same group)

= 9C5 - 7C3 = 91

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