Boats and Streams aptitude Practice Question and Answer
8 Q: The speed of a boat in still water 11 km/hr. It can go 12 km upstream and return downstream to the engine point in 2hr 45min. What is the speed of stream?
896 060ba11fb02ea6c40949f4b73
60ba11fb02ea6c40949f4b73- 13 km/hr.false
- 22 km/hrfalse
- 35 km/hrtrue
- 44 km/hrfalse
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Answer : 3. "5 km/hr"
Q: A person swims a distance of 28 km. in the direction of stream in 5 hours and a distance of 13 km. in 5 hours against the stream. What is the velocity of the stream?
972 06099114ff738a51c29aa3141
6099114ff738a51c29aa3141- 12.5 km./hr.false
- 21.8 km./hr.false
- 32 km./hr.false
- 41.5 km./hr.true
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Answer : 4. "1.5 km./hr."
Q: The ratio of speed of boat in still water to speed of stream is 8 : 1. It takes 4 hours by boat to cover 54 km in downstream & 42 km in upstream. Find the downstream speed of boat.
1927 0603f63a256eac5533a8f5532
603f63a256eac5533a8f5532- 125 kmphfalse
- 224 kmphfalse
- 321 kmphfalse
- 427 kmphtrue
- 523 kmphfalse
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Answer : 4. "27 kmph"
Q: A man can row 30 km upstream and 44 km downstream in 10 hours. Also, he can row 40 km upstream and 55 km downstream in 13 hours. The rate of the current is –
906 0600e8c0f377d750b4eb46533
600e8c0f377d750b4eb46533- 13 km / htrue
- 23.5 km / hfalse
- 34 km / hfalse
- 44.5 km / hfalse
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Answer : 1. "3 km / h "
Q: Two boats are traveling with speeds of 36 km/hr and 54 km/hr respectively towards each other. What is the distance (in meters) between the two boats one second before they collide?
1056 05ff578fe9fc6f75b3f609c25
5ff578fe9fc6f75b3f609c25- 110false
- 215false
- 325true
- 45false
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Answer : 3. "25"
Q: A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of current are respectively.
1130 05dd62227db51363c0238f957
5dd62227db51363c0238f957- 14 kmph and 3 kmphfalse
- 24.5 kmph and 0.5 kmphtrue
- 34 kmph and 2 kmphfalse
- 45 kmph and 2 kmphfalse
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Answer : 2. "4.5 kmph and 0.5 kmph"
Q: Ratio of time taken by a sailor to cover some distance upstream and downstream is 4 : 1. If speed of stream is 4.5 km/hr. Then find out speed of boat?
6639 05e8b071f67af633f22bda983
5e8b071f67af633f22bda983- 18.5 km / hrfalse
- 29.5 km / hrfalse
- 37.5 km / hrtrue
- 48 km / hrfalse
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Answer : 3. "7.5 km / hr "
Q: A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55 km downstream. The speed of the boat in still water is.
1349 05f238fca4e7e0d508b5799c8
5f238fca4e7e0d508b5799c8- 18 km / htrue
- 23 km / hfalse
- 34 km / hfalse
- 4None of thesefalse
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