There are 11 points in a plane out of which 5 are collinear no other 3 are collinear find number of ...........

Quantitative Aptitude (CDS) Permutation & Combination

There are 11 points in a plane out of which 5 are collinear no other 3 are collinear. find number of distinct lines that can formed joining these points.

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Explanation:

total no. of lines = 11 C2
No. of lines formed by collinear points = 5C2
Total no of distinct lines =11C2 - 5C2 + 1
One line is formed by collinear points = 46