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Avinava Datta Grade: 12
        

10 circles and 4 straight lines interset with each other . What is the maximum number of possible points of intersection ?

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear avinava


1 intersection of circle


  2 circcle can intersect each other at maximum 2 point.


so 10 circle intersect each other =10c2 *2 points




2 intersection of lines


  2 lines can intersect each other at max 1 point


      so 4 lines intersect each other = 4c points


3 intersection of line and circle


   a line can intersect a circle at max 2 point


      total intersection =10c1 *4c1 *2 points




final answer is 10c2 *2    +  4c2   +   10c1 *4c1 *2     points







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Badiuddin



7 years ago
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