A committee of 6 is to be chosen from 10 persons with the condition th – InterviewSolution

1.

A committee of 6 is to be chosen from 10 persons with the condition that if a particular pechosen, then another particular person B must be chosen.

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here 2 persons are fixed so we have to select other 4 from remaining 8 personsso 4/8=1/2

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