A motorist travels to a place 150 km away at an average speed of 50 km/hr and re

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A motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/ hr. His average speed for the whole journey in km/hr is-

Options:

A . 35 km/hr

B . 37 km/hr

C . 37.5 km/hr

D . 40 km/hr

Answer: Option C

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