Question: There are 10person among whom 2are brother. The total no.of ways in which these persons can be seated around a round table so that exactly 1person sit between the brothers, is equal to?\nOptions:\n(A) 7!*1!\n(B) 7!*2!\n(C) 6!*2!\n(D) 8!*2!\n(E) 6!*2! Let's think first. Some random reasoning:
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Total number of ways = 7!*2!. The final answer: (B).
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