A boat travels at a speed of 10 kmph in still water The speed of the stream is 4 kmph How much time ...........

Quantitative Aptitude(IBPS CL) Boats and Streams

A boat travels at a speed of 10 kmph in still water. The speed of the stream is 4 kmph. How much time will the boat take to travel 30 km upstream?

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IBPS Clerk Prelims

3 hrs

6 hrs

5 hrs

7 hrs

10 hrs

- The speed of the boat in still water is 10 kmph.

- The speed of the stream is 4 kmph.

- When traveling upstream, the boat's effective speed is reduced by the stream's speed.

- Upstream speed = boat speed in still water - stream speed.

- Upstream speed = 10 kmph - 4 kmph = 6 kmph.

- Distance to be covered upstream is 30 km.

- Time taken = distance/speed.

- Time = 30 km / 6 kmph = 5 hours.

- Option 3: 5 hours is correct.

- Answer: Option 3 - 5 hrs

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