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A triangle PQR is such that 3 points lie on the side PQ, 4 points on QR and 5 points on RP respectively. Triangles are constructed using these points
Question

A triangle PQR is such that 3 points lie on the side PQ, 4 points on QR and 5 points on RP respectively. Triangles are constructed using these points as vertices. What is the number of triangles so formed?

A.

205

B.

206

C.

215

D.

220

Correct option is A


Given:
∆ PQR has 3 points lie on the side PQ
4 points on QR
5 points on RP
Solution:


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