a boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. the

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Question

a boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. the speed of the stream is?

Options:

A . 7 km/h

B . 5 km/h

C . 3 km/h

D . 2 (1/2) km/h

Answer: Option D
Explanation :

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