In how many ways can 7 persons stand in the form of a ring?

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Question: Answered & Verified by Expert

In how many ways can 7 persons stand in the form of a ring?

MathematicsPermutation CombinationNDANDA 2006 (Phase 2)

Options:

A $\mathrm{P}(7,2)$
B $7 !$
C $6 !$
D $\frac{7 !}{2}$

Solution:

2608 Upvotes Verified Answer

The correct answer is: $6 !$

Number of ways in which 7 persons can stand in the form of a ring $=(7-1) !=6 !$

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