Question

The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 5 hours, the speed of the bike is increased by 40%. After 7 hours from starting, the car was 38 km ahead of the bike. Find the initial speed of the bike.

A 40 km/hr
B 42 km/hr
C 43 km/hr
D 47 km/hr
E None of these
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