A boat cover a distance of 30 km downstream in 2 h while it takes 6 h to cover the same distance distance upstream. What is the speed of the boat (in km/h) ?

A boat cover a distance of 30 km downstream in 2 h while it takes 6 h

1.	A boat cover a distance of 30 km downstream in 2 h while it takes 6 h to cover the same distance distance upstream. What is the speed of the boat (in km/h) ?
A.	5
B.	7.5
C.	13
D.	10
Answer» E.

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