| 1. | A motorboat in still water travels at a speed of 36 kmph. It goes 56 km upstream in 1 hour 45 minutes. The time taken by it to cover the same distance down the stream will be ? | |
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2 hours 25 minutes
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3 hours
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1 hour 24 minutes
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2 hours 21 minutes
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Report Question| 2. | A boat covers 12 km upstream and 18 km downstream in 3 hours, while it covers 36 km upstream and 24 km downstream in 6.5 hours. What is the speed of the current ? | |
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1.5 km/hr
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1 km/hr
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2 km/hr
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2.5 km/hr
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| 3. | A man rows his boat 60 km downstream and 30 km upstream taking 3 hrs each time. Find the speed of the stream ? | |
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5 kmph
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10 kmph
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15 kmph
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45 kmph
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| 4. | In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is ? | |
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9
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8
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7
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7.5
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| 5. | A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of water current are respectively ? | |
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4 kmph and 3 kmph
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4.5 kmph and 0.5 kmph
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4 kmph and 2 kmph
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5 kmph and 2 kmph
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| 6. | The speed of a boat in still water is 6 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 22.5 km and comes back to the starting point. The total time taken by him is ? | |
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10 hours
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4 hours 10 minutes
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6 hours 10 minutes
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8 hours
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| 7. | A swimmer swims from a point A against a current for 5 minutes and then swims backwards in favour of the current for next 5 minutes and comes to the point B. If AB is 100 metres, the speed of the current (in km per hour) is ? | |
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0.4
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0.2
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1
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0.6
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| 8. | The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is ? | |
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8 kmph
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6 kmph
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7.5 kmph
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5.5 kmph
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| 9. | A boatman can row 3 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ? | |
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1/3 kmph
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2/3 kmph
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1/4 kmph
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1/2 kmph
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| 10. | A motor boat takes 12 hours to go downstream and it takes 24 hours to return the same distance. what is the time taken by boat in still water ? | |
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15 h
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16 h
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8 h
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20 h
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