A steamer moves with a velocity 3 kmph in and against the direction of river water whose velocity is 2 kmph. Total time for total journey if the boat travels 2 km in direction of stream and then back to its place will be (in hour)

2.4

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2.5

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Solution

The correct option is A
2.4

In direction of stream , $t_{1}$ = $\frac{2}{3 + 2}$ = 0.4 h

In upstream $t_{2}$ = $\frac{2}{3 - 2}$ = 2 h

Total Time = 2.4 h

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