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MHT CET Mathematics question

MathematicsPermutations and CombinationsMHT CET

Out of points in a plane, no three are in the same line except five points which are collinear. The number of lines that can be formed joining these points are

Answer: (A)

Solution

If no three points were collinear, the number of lines would be . The collinear points

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Question ID VK-027838