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Question

The maximum number of points into which 4 circles and 4 straight lines intersect is

A
51
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B
50
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C
49
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D
None of these
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Solution

The correct option is A 50
4 lines intersect each other in =4C2=6 points. 4 circles intersect in =4P2=12 ways
Each line cuts 4 circles in 8 points. So 4 lines cut 4 circles in 32 points.
So required number of points=6+12+32=50

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