A and B are tow stations. A trains goes from A to B at 64 km/hr and returns to A at a slower speed. If its average speed for the whole journey is 56 km/hr. at what speed did it return:

A and B are tow stations. A trains goes from A to B at 64 km/hr and

1.	A and B are tow stations. A trains goes from A to B at 64 km/hr and returns to A at a slower speed. If its average speed for the whole journey is 56 km/hr. at what speed did it return:
A.	48km/hr
B.	49.77 km/hr
C.	52 km/hr
D.	47.46 km/hr
Answer» C. 52 km/hr

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A and B are tow stations. A trains goes from A to B at 64 km/hr and returns to A at a slower speed. If its average speed for the whole journey is 56 km/hr. at what speed did it return:

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