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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 co…

Q1

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

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