A boat can go 10 km downstream and 8 km upstream in 49 minutes. Also, it can go 12 km downstream and 4 km upstream in 42 minutes. What is the speed of stream in km/h?

A boat can go 10 km downstream and 8 km upstream in 49 minutes. Also,

1.	A boat can go 10 km downstream and 8 km upstream in 49 minutes. Also, it can go 12 km downstream and 4 km upstream in 42 minutes. What is the speed of stream in km/h?
A.	2
B.	1
C.	1.5
D.	2.5
Answer» B. 1

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A boat can go 10 km downstream and 8 km upstream in 49 minutes. Also, it can go 12 km downstream and 4 km upstream in 42 minutes. What is the speed of stream in km/h?

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