Question

The speed of a car is 30% more than that of a bike. Both of them start from a same point. After travelling for 4 hours, the speed of the bike is increased by 40%. After 6 hours from starting, the car was 52 km ahead of the bike. Find the initial speed of the bike.

A 60 km/hr
B 52 km/hr
C 69 km/hr
D 50 km/hr
E None of these
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