Quiz Discussion

A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km downstream in \(6\frac{1}{2}\) hours. The speed of the current is?

 

Course Name: Quantitative Aptitude

  • 1] 1 km/hr
  • 2] 2 km/hr
  • 3] 1.5 km/hr
  • 4] 2.5 km/hr
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:

  • 1] 8.5 km/hr
  • 2] 9 km/hr
  • 3] 10 km/hr
  • 4] 12.5 km/hr
  • 5] None of these
Solution
2
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

  • 2]

    5

  • 3]

    6

  • 4]

    10

Solution
3
Discuss

A motorboat in still water travels at a speed of 36 km/hr. It goes 56 km upstream in 1 hour 45 monutes. The time taken by it to cover the same distance down the stream will be-

  • 1] 1 hour 24 minutes
  • 2] 2 hour 21 minutes
  • 3] 2 hour 25 minutes
  • 4] 3 hour
Solution
4
Discuss

a man can row 8 km/hr in still water and he find that it takes thrice as long to row upstream as to row downstream to the same point. What is the speed of the current?

  • 1]

    1 kmph

  • 2]

    2 kmph

  • 3]

    3 kmph

  • 4]

    4 kmph

Solution
5
Discuss

A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:

  • 1] 1 km/hr
  • 2] 1.5 km/hr
  • 3] 2 km/hr
  • 4] 2.5 km/hr
Solution
6
Discuss

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?

  • 1] 2 : 1
  • 2] 3 : 2
  • 3] 8 : 3
  • 4] Cannot be determined
  • 5] None of these
Solution
7
Discuss

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:

  • 1] 16 hours
  • 2] 18 hours
  • 3] 20 hours
  • 4] 24 hours
Solution
8
Discuss

There is a road beside a river. Two friends started from a place A moved to a temple situated at another place B and then returned to A again. One of them moves on a cycle at a speed of 12 km/hr, while the other sails at a speed of 10km/hr. If the river flows at a speed of 4km/hr, which of the two friends will return to place A first.

  • 1]

    7.4 km/h

  • 2]

    8.4 km/h

  • 3]

    2.3 km/h

  • 4]

    8.6 km/h

Solution
9
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
10
Discuss

A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 55 km downstream in 2 hour 30 minutes, what is the speed of the boat in the still water?

  • 1] 40 km/h
  • 2] 8 km/h
  • 3] 16 km/h
  • 4] 24 km/h
Solution
# Quiz