Each of two parallel lines has a number of distinct points marked on them. On one line there
Channel: Doubtnut
Date: 2020-04-12

Each of two parallel lines has a number of distinct points marked on them. On one line there are 2 points P and Q and on the other there are 8 points. i. Find the number of triangles formed having three of the 10 points as vertices. ii. How many of these triangles include P but exclude Q?