Question

A car running with a speed of 50 km/hr takes 8 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it takes while going from 'A' to 'B', then find the approximate average speed of the car during the whole journey

A 55.5 km/h
B 45.5 km/h
C 65.5 km/h
D 75.5 km/h
E None of these
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