There are 12 person among whom 2 are brother. The total no.of ways in which these persons can be seated around a round table so that exactly 1 person sit between the brothers, is equal to?\nOptions:\n(A) 9!*2!\n(B) 7!*2!\n(C) 6!*1!\n(D) 2!*1!\n(E) 5!*1! Think first, then make a decision. Some random thoughts:
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Total number of ways = 9!*2!. So the answer is (A).
Assistant