PointHard

Question

4 points out of 8 points in a plane are collinear. Number of different quadrilateral that can be formed by joining them is :-

Options

A.69
B.53
C.17
D.None of these

Solution

4C04C4 + 4C14C3 + 4C24C2
1 + 16 + 36 = 53

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