There are 18 points in a plane such that no three of them are in the same line except five points which are collinear. The number of triangles formed by these points is:

There are 18 points in a plane such that no three of them are in the s

1.	There are 18 points in a plane such that no three of them are in the same line except five points which are collinear. The number of triangles formed by these points is:
A.	816
B.	806
C.	805
D.	813
Answer» C. 805

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There are 18 points in a plane such that no three of them are in the same line except five points which are collinear. The number of triangles formed by these points is:

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