Question

Average speed of ‘A’ during a 22-hour journey is 22 km/h. If he covered the first 280 km of his journey at a speed of 20 km/h, then find the speed at which ‘A’ travelled during the remaining journey.

A 20.5 km/h
B 24.5 km/h
C 25.5 km/h
D 23.5 km/h
E None of these
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