Radii, Chord, Diameter and Circumference of the Circle
Lines l and...
Question
Lines l and m and two circles lie in a plane. If l passes through the centers of the two circles and if m is parallel to l, which of the following could NOT be the number of points at which m intersects the circles?
A
0
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B
1
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C
3
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D
4
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E
5
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Solution
The correct option is E5
Line l is passing through the center of 2 circles. And line m is parallel to l.
Now if the line m is moved along the plane as shown in the figure.
We can see that the line m touch circles once, twice, thrice and four times. Or never touches at all.