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Quiz Discussion

A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

Course Name: Quantitative Aptitude

  • 1] 2 : 1
  • 2] 3 : 2
  • 3] 8 : 3
  • 4] Cannot be determined
  • 5] None of these
Solution
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1
Discuss

A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:

  • 1] 4 km/hr
  • 2] 5 km/hr
  • 3] 6 km/hr
  • 4] 10 km/hr
Solution
10
Discuss

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

  • 1] 2.4 km
  • 2] 2.5 km
  • 3] 3 km
  • 4] 3.6 km
  • 5] None of these
Solution
2
Discuss

A boat covers a certain distance downstream in 1 hour, while it comes back in 112 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

 

  • 1] 12 kmph
  • 2] 13 kmph
  • 3] 14 kmph
  • 4] 15 kmph
  • 5] None of these
Solution
3
Discuss

In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

  • 1] 3 kmph
  • 2] 5 kmph
  • 3] 8 kmph
  • 4] 9 kmphr
Solution
4
Discuss

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.

  • 1] 4 kmph and 3 kmph
  • 2] 4.5 kmph and 0.5 kmph
  • 3] 4 kmph and 2 kmph
  • 4] 5 kmph and 2 kmph
Solution
5
Discuss

P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back in 10 hours and I can row from P to R in 4 hours. Compare the speed of my boat in still water with that of the river.

  • 1] 4 : 3
  • 2] 5 : 3
  • 3] 6 : 5
  • 4] 7 : 3
Solution
6
Discuss

A man rows 12 km in 5 hours against the stream and the speed of current being 4 kmph. What time will be taken by him to row 15 km with the stream?

  • 1]

    1 hour 27713 minutes

  • 2]

    1 hour 24713 minutes

  • 3]

    1 hour 25713 minutes

  • 4]

    1 hour 26713 minutes

Solution
7
Discuss

A man can row three quarters of a kilometers against the stream in 11 1/4 minutes and return in 7 1/2​ minutes.The speed of the man in still water is

  • 1]

    2 km/h

  • 2]

    3 km/h

  • 3]

    4 km/h

  • 4]

    5 km/h

Solution
8
Discuss

A man can row at 8 kmph in still water. If the river is running at 2 kmph, it takes him 48 minutes to row to a place and back. How far is the place?

  • 1]

    1 Km

  • 2]

    2 Km

  • 3]

    3 Km

  • 4]

    4 Km

Solution
9
Discuss

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:

  • 1] 2 : 1
  • 2] 3 : 1
  • 3] 3 : 2
  • 4] 4 : 3
Solution
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