From a committee of 12 persons, in how many ways can we choose a chairman and a vice chairman assuming one person cannot hold more than one position?
As a committee needs to choose a chairman and vice chairman.
Number of people chosen are 2.
These people have to be chosen from 12 people.
Number of ways to chose 2 people is 12C2.
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= 6× 11
= 66 ways
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