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A person covers half of his journey at 4...

A person covers half of his journey at 40km/h, one-third at 60 km/h and rest of journey at 30 km/h. Find his average speed for the whole journey.

A

45km/h

B

42.35km/h

C

50km/h

D

40km/h

Text Solution

Verified by Experts

The correct Answer is:
B
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