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There are 15 points in a plane, no three...

There are 15 points in a plane, no three of which are in a straight line except 4, all of which are in a straight line. The number of triangles that can be formed by using these 15 points is:

A

404

B

415

C

451

D

490

Text Solution

Verified by Experts

The correct Answer is:
C
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