| 1. | The speed of a boat along the stream is 12 km/h and against the stream is 8 km/h. The time taken by the boat to sail 24 km in still water is ? | |
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2 hours
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3 hours
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2.4 hours
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1.2 hours
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Report Question| 2. | If the speed of a boat in still water is 20 km/hr and the speed of the current is 5 km/hr, then the time taken by the boat to travel 100 km with the current is ? | |
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2 hours
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3 hours
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4 hours
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7 hours
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| 3. | A boat goes at 14 kmph along the stream and 8 kmph against the stream. The speed of the boat (in kmph) in still water is ? | |
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12 kmph
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11 kmph
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10 kmph
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8 kmph
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| 4. | Two boats A and B start towards each other from two places, 108 km apart. Speed of the boat A and B in still water are 12km/hr and 15km/hr respectively. If A proceeds down and B up the stream, they will meet after ? | |
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4.5 hours
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4 hours
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5.4 hours
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6 hours
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| 5. | A man can row 6 km/h in still water. If the speed of the current is 2 km/h, it takes 3 hours more in upstream than in the downstream for the same distance. The distance is ? | |
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30 km
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24 km
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20 km
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32 km
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| 6. | Speed of a boat is 5 km per hour in still water and the speed of the stream is 3 km per hour. If the boat takes 3 hours to go to a place and come back, the distance of the place is ? | |
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3.75 km
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4 km
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4.8 km
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4.25 km
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| 7. | A man can row at 5 kmph. In still water. If the velocity of current is 1 kmph. and it takes him 1 hour to row to a place and come back, how far is the place ? | |
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2.5 km
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3 km
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2.4 km
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3.6 km
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| 8. | Speed of a boat along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is ? | |
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11 km/hr
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6 km/hr
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5.5 km/hr
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3 km/hr
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| 9. | A man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the speed of the boat in still water and the stream are 10 km/hr and 4 km/hr respectively, the distance of the destination from the starting place is ? | |
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16 km
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18 km
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21 km
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25 km
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| 10. | A person can row 7.5 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is ? | |
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2 km/hr
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3 km/hr
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2.5 km/hr
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3.5 km/hr
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