A committee consists of 20 persons. In how many ways can the members sit around a circular table so that the chairman sits between the secretary and the treasurer?
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Answer:
Step-by-step explanation:
The answer is infinite times
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2 * 17! ways 21 members sit around a circular table so that the chairman sits between the secretary and the treasurer
Step-by-step explanation:
20 members Committee
chairman sits between the secretary and the treasurer in 2 ways
Remaining Members = 20 - 3 = 17
17 members can sit in 17! Ways as round Table
Total number of Ways = 2 * 17!
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Similar questions
2*(20-3)! = 2*17!
The factor "2" describes two different placements for the secretary and the treasure.
17! is the number of different arrangements for the rest 20-3 = 17 members.