| 1. | A boatman rows 1 km in 5 minutes, along the stream and 6 km in 1 hour against the stream. The speed of the stream is ? | |
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3 kmph
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6 kmph
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10 kmph
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12 kmph
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Report Question| 2. | A man rows 40 km upstream in 8 hours and a distance of 36 km downstream in 6 hours. Then speed of stream is ? | |
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0.5 km/hr
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1.5 km/hr
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1 km/hr
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3 km/hr
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| 3. | A boy can swim in still water at a speed of 10 km/hr. If the speed of the current would have been 5 kmph, then the boy could swim 60 km ? | |
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upstream in 4 hour
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downstream in 12 hours
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upstream in 6 hours
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downstream in 4 hours
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| 4. | A person can row a distance of one km upstream in ten minutes and downstream in four minutes. What is the speed of the stream ? | |
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4.5 km/h
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4 km/h
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9 km/h
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5.6 km/h
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| 5. | A boat sails 15 km of a river towards upstream in 5 hours. How long will it take to cover the same distance downstream, if the speed of current is one-fourth the speed of the boat in still water ? | |
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1.8 h
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3 h
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4 h
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5 h
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| 6. | A man can row 8 kmh in still water. If the river is running at 2 kmh, it takes 4 hrs more upstream than to go downstream for the same distance. Then the distance is given by ? | |
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54 kms
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32 kms
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45 kms
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60 kms
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| 7. | A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km downstream in 6.5 hours. The speed of the current is ? | |
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1 km/hr
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2 km/hr
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1.5 km/hr
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2.5 km/hr
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| 8. | A man can swim at the rate of 4 km/hr in still water. If the speed of the water is 2 km/hr, then the time taken by him to swim 10 km upstream is ? | |
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2.5 hrs
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3.5 hrs
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5 hrs
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4 hrs
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| 9. | A boat goes 12 km downstream and comes back to the starting point in 3 hours. If the speed of the current is 3 km/hr, then the speed (in km/hr) of the boat in still water is ? | |
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12
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9
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8
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6
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| 10. | The current of a stream runs at the rate of 4 km an hour. A boat goes 6 km and comes back to the starting point in 2 hours. The speed of the boat in still water is ? | |
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6 km/hour
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8 km/hour
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7.5 km/hour
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6·8 km/hour
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