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AP EAPCET 07-Jul-2022 Shift 2 Paper

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Question : 16

Total: 160

In a plane there are 37 straight lines of which 13 pass through point A and 11 pass through the point B. Moreover, no three lines (apart from the lines passing through A and B) pass through same point and no two are parallel. What is the number of points of intersection of the straight lines?

‌37C2
‌37C2−‌13C2−‌11C2
‌37C2−‌13C2−‌11C2+2
‌37C2−2

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