Question

Average speed of ‘A’ during a 24-hour journey is 30 km/h. If he covered the first 120 km of his journey at a speed of 10 km/h, then find the speed at which ‘A’ travelled during the remaining journey.

A 44 km/h
B 34.8 km/h
C 38 km/h
D 50 km/h
E None of these
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