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The section of boat and stream is an important topic of mathematics subject from competitive examinations like SSC, UPSC, Railways, Banking, which we can understand by the adaptive and counter current of the stream. Questions related to boat and stream can be solved only by understanding the formulas, like speed of boat = (speed in the direction of the...
Every student wants to solve all problems of boats and streams within less time in competitive exams but they can't solve questions on time.
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A boat goes 15 km in an hour in still water, and takes thrice the time to cover the same distance upstream. The speed of the current (in km / hr) is –
554 0 62fb40bdd30c675eef59e1bf- 113 km/hrfalse
- 214 km/hrtrue
- 313 km/hrfalse
- 414 km/hrfalse
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Answer : 2 14 km/hr
A boat covers 48 km. upstream and 72 km. downstream in 12 hours, while it covers 72 km. upstream and 48 km. downstream is 13 hours. The speed of stream is -
695 0 60f7d5753ca0726dff34f9e6- 12.5 kmphfalse
- 24 kmphfalse
- 32 kmphtrue
- 42.2 kmphfalse
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Answer : 3 2 kmph
A boat goes from A to B in upstream and come back from B to A downstream taking a total time of 3.5 hours. If the speed of boat in still water is 7 km/hr and the speed of stream is 5 km/hr. Find the distance between A and B.
632 0 605a95cf281aeb2a4f44a1cf- 14 kmfalse
- 26 kmtrue
- 35 kmfalse
- 47.5 kmfalse
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Answer : 2 6 km
If a sailer sails 12 km distance within 5 hours against the flow of a river. If he sails 22 km distance in same time along the flow of the river. Then velocity of the river is _______
1.6K 0 5e788081948fba6459010c46- 11 km / hourtrue
- 22 km / hourfalse
- 31.5 km / hourfalse
- 42.5 km / hourfalse
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