Math, asked by tariqhistory9, 1 year ago

A man travels certain distance by boat
downstream at 30 km/hr and returns upstream at
4 1/6 m/sec. The average speed of his travel is
A) 10 km/hr
B) 20 km/hr
C) 30 km/hr
D) 40 km/hr

Answers

Answered by suniljiloka

0

Answer:

I think answer is 20 km/hr

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