Let m be the number of ways in which two couples can be seated on 4 chairs in a row so that now is next to her husband and n be the number of ways in which they can be seated in 4 chairs in a circle. In the latter case, rotations are considered different configurations, Then

m = n

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m = 2n

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m = 4n

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m = 8n

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Solution

The correct option is C m = 4n

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