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We wish to select 6 persons from 8, but if the person A is chosen, then B must be chosen. In how many ways can selections be made?
Answers (1)
Number of persons to be chosen out of 8=6
CASE I:When A is chosen, B must be chosen
Number of ways of selecting 4 more persons from remaining 6 persons=
CASE II:When A is not chosen
Number of ways of selecting 6 persons from remaining 7 persons=
Total ways=
View full answer
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