Quiz Discussion

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:

Course Name: Quantitative Aptitude

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

The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:

  • 1] 1.2 km
  • 2] 1.8 km
  • 3] 2.4 km
  • 4] 3.6 km
  • 5] None of these
Solution
3
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]

    None Of These

Solution
4
Discuss

A boat covers a certain distance downstream in 1 hour, while it comes back in \(1\frac{1}{2}\) 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
5
Discuss

The speed of a boat downstream is 15 km/hr and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.

  • 1] 2 hours 40 minutes
  • 2] 2 hours 42 minutes
  • 3] 2 hours 10 minutes
  • 4] 2 hours 30 minutes
Solution
6
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
7
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
8
Discuss

A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.

  • 1]

    2 hours

  • 2]

    3 hours

  • 3]

    4 hours 

  • 4]

    5 hours

Solution
9
Discuss

The speed of the boat in still water is 5 times that of current, it takes 1.1 hour to row to point B from point A downstream. The distance between point A and point B is 13.2 km. How much distance (in km) will it cover in 312 minutes upstrem?

  • 1] 43.2
  • 2] 48
  • 3] 41.6
  • 4] 44.8
Solution
10
Discuss

A man can row at a speed of \(4\frac{1}{2}\) km/hr in still water. If he takes 2 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) is-

 

  • 1] 1
  • 2] 1.5
  • 3] 2
  • 4] 2.5
Solution
# Quiz