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Seven women and seven men are to sit round a circular table such that there is a man on either side of every women than the number of seating arrangement is
a) (7!)^2 b) (6!)^2 c) 6! X 7! D) 10!

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TCS Other Question

The number of triangles that can be formed with 10 points as vertices, n of them being collinear, is 110. Then n is
a) 3 b) 4 c) 5 d) 6
if x^2-16>0,which of the following must be true?
-4>x>4
-4>x