Permutations and Combinations: JEE Main 2011 Mathematics question

JEE Main 2011 · Annual, Paper 1 · Q4815

JEE Main 2011Annual, Paper 1MathematicsEasyPermutations and Combinations98× since 2002

These are 10 points in a plane, out of these 6 are collinear, if N is the number of triangles formed by joining these points. then:

JEE Main 2011 · Annual, Paper 1 · Q4815

JEE Main 2011Annual, Paper 1MathematicsEasyPermutations and Combinations98× since 2002

These are 10 points in a plane, out of these 6 are collinear, if N is the number of triangles formed by joining these points. then:

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