Out of 15 points in plane, n points are in the same straight line, 445 – McqOptions

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1.	Out of 15 points in plane, n points are in the same straight line, 445 triangles can be formed by joining these points. What is the value of n?
A.	3
B.	4
C.	5
D.	6
Answer» D. 6

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Out of 15 points in plane, n points are in the same straight line, 445 triangles can be formed by joining these points. What is the value of n?