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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...
Often students face difficulty while using boats and streams formulas in the competitive exam questions because they don't know the proper way to solve the questions.
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A boat goes downstream in one-third the time it takes to go upstream. Then the ratio between the speed of boat in still water and speed of the stream is
265 0 62fb455d047feb07925cf495- 11 : 2false
- 22 : 1true
- 35 : 1false
- 43 : 2false
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Answer : 2 2 : 1
A boat goes 10kms an hour in still water, but takes twice as much time in going the same distance against the current. The speed of the current (in km/hr) is
310 0 62fb44efd30c675eef59f092- 13 km/hrfalse
- 25 km/hrtrue
- 32 km/hrfalse
- 44 km/hrfalse
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Answer : 2 5 km/hr
A boat travel 240 km downstream in 3 hours and the time is taken by the boat to travel the same distance in upstream in 6 hours. Find the speed of stream (in kmph).
346 0 62f11d8909a97851b6265dac- 140 kmphfalse
- 230 kmphfalse
- 320 kmphtrue
- 435 kmphfalse
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Answer : 3 20 kmph
Speed of a boat in still water is 6 km/hr and speed of the current is 2 km/hr. If boat takes four hours more in upstream than in the downstream to cover ‘D’ km, then find time take by boat to cover ‘D’ km in still water?
397 0 62e0fd56e50b894c6f5850ee- 15 hours 30 minutesfalse
- 25 hours 45 minutesfalse
- 35 hours 10 minutesfalse
- 45 hours 20 minutestrue
- 55 hours 40 minutesfalse
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Answer : 4 5 hours 20 minutes
In a river the distance between two points is 80 km. A boat which rows 13 km/h in still water goes downstream from the first point to the second and returns upstream to starting point in 13 hrs., then find the speed of current.
936 0 61555b3cffe69f11b0d317f4- 15 km / hfalse
- 23 km / htrue
- 32 km / hfalse
- 4None of thesefalse
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