| Q.1 |
A person can run a boat in still water with speed of 5 km./hours. If it takes 1 hours to go and returns one place to another by the boat. while the speed of current is 1 km./hours, so how would be far from that place ?
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| Q.2 |
A swimmer can swim in still water with speed of 10 km./hours. It takes triple time to cover a certain distance against the stream than in direction of stream. Calculate the velocity of the stream ?
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| Q.3 |
One sailor goes 36 km in 4 hours in the direction of river flow and returns again in 6 hours. Find the speed of river ?
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| Q.4 |
A person swims in stilll water with speed of 5 km./hours. If the speed of stream is 1 km. /hour, then it takes 100 minute to cover certain distance. Mention what is the distance to the location ?
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| Q.5 |
To covers distance from A to B on a boat to go with the stream and distance from Q to P against the stream it takes 4 hours. If the speed of stream is 2 km./hour and speed of boat is 4 km/hour in still water, then what is the distance between P and Q ?
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| Q.6 |
A swimmer’s speed in still water is
km./hours. If it takes triple time to go in the direction of stream than against the stream, then what is the speed of stream ?
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| Q.7 |
In a river distance between A and B is 45 km. and the speed of the river is 2 km./ hour. In a calm water speed of a sailor is 7 km./hour. If the sailor goes from A to B and come back, then how much time it will take to cover distance ?
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| Q.8 |
A boat covers 18 km distance from A to B in upstream in
hours.if the speed of boat in still water is
km./hour, then what is the speed of stream ?
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| Q.9 |
A swimmer can swim distance from A to B in the opposite direction of stream in 8 hours and again from B to A in 6 hours. If the speed of stream is 2 km./hour, then what is the speed of swimmer in still water ?
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| Q.10 |
A boat can float in still water with speed of 16 km./hour. If it takes 4 hours to go from P to Q in a river and 6 hour to come back, then what is the speed of stream ?
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| Q.11 |
A boat covers a distance from A to B and from B to A in 3 hours. If the speed of boat in still water is 9 km./hour and speed of stream is 3 km/hour, then what is the distance from A to B ?
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| Q.12 |
Koshal can swim a distance in a river from A to B in 5 hours, while takes 6 hours to come back from B to A. If the speed of stream is 2 km./hour, then what is the speed of koshal in still water ?
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| Q.13 |
A person takes
minute to rowing the boat in three-quarters of one kilometer and
minute to come back. What is the speed of person in still water ?
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| Q.14 |
A person covers 21 km in the opposite side of the stream and 35 km in the direction of the stream. In every case it takes 7 hours. What is the velocity of the stream?
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| Q.15 |
A boat covers 30 km distance in the direction of the stream in
hours, while it takes
hours in the opposite side of stream to cover this distance. What is the velocity of the stream ?
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| Q.16 |
A boat floats in still water with the speed of 8 km./hour. it covers 48 km distance in the direction of stream in 4 hours. What is the velocity of the stream ?
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| Q.17 |
A swimmer swims
km distance in
minutes in the opposite direction of steam and come back at the starting point in
minutes. What is the speed of swimmer in still water ?
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| Q.18 |
The velocity of a boat in still water is 5 km./hour. If the velocity of stream is 1 km./hour then a sailor takes 75 minutes to go and come back from a location to starting point. How far is the location of the starting point ?
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| Q.19 |
A steamer covers a distance between to ports within 4 hours in the direction of the stream and 5 hours in the opposite side of stream. If the velocity of stream is 2 km./hour, then what is the speed of steamer in stilll water ?
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| Q.20 |
A boat travel a distance in the opposite direction of the stream within 8 hours 48 minutes and 4 hours in the direction of the stream. What is the speed of boat in still water and ratio of stream’s Velocity ?
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