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cyclists on a track

Expert replies
by harsh.champ » Mon Feb 08, 2010 4:54 am
Two cyclists are travelling at a speed of 3 km/hr and 10 km/hr around a circular track. What should be the ratio of number of distinct points that they would meet on that track if they travel in the same direction first and in the opposite direction next?

(A)7 : 13
(B)3 : 10
(C)3 : 7
(D)30 : 13
(E)Cannot be determined

THe OA is A.
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