Management Aptitude Test Feb 2012 Paper

Question : 110 of 200

Marks: +1, -0

If 20 lines are drawn in a plane such that no two of them are parallel and no three are concurrent, the number of points in which they intersect each other is

Validate

Solution:

(2) Required number of points =

^20C_2

{20×19}/{2×1}

= 190

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