MCQ

Solve the following question and mark the best possible option.

A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9 km/hr and the speed of the current is 3 km/hr, the distance between A and B(in km) is

#### Options

4

6

8

12

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#### Solution

let the distance between A and B be d.

Now,

`d/(9 + 3) + d/(9 - 3) = 3`

`d/12 + d/6 = 3`

D = **12 km**.

Concept: Time, Distance and Speed(Entrance Exam)

Is there an error in this question or solution?

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