Quiz Discussion

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-

 

Course Name: Quantitative Aptitude

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

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# Quiz
1
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
2
Discuss

The speed of a boat along the stream is 12 km/hr and against the stream is 8 km/hr. The time taken by the boat to sail 24 km in still water is?

  • 1] 2 hrs
  • 2] 3 hrs
  • 3] 2.4 hrs
  • 4] 1.2 hrs
Solution
3
Discuss

On a river , Q is the mid - point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?

  • 1]

    \({ \text{3}}\frac{3}{7}\) hr

  • 2]

    5 hr

  • 3]

    \({ \text{6}}\frac{2}{3}\) hr

  • 4]

    \({ \text{7}}\frac{1}{3}\) hr

Solution
4
Discuss

A boat can tarvel 36 km upstream in 5 hours. If the speed of the stream is 2.4 kmph, how much time will the boat take to cover a distance of 78 km downstream?(in hours)

  • 1] 5 hours
  • 2] 6.5 hours
  • 3] 5.5 hours
  • 4] 8 hours
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

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
7
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
8
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
9
Discuss

A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr he takes 4 hours more in upstream than the downstream. The distance is?

  • 1] 30 km
  • 2] 24 km
  • 3] 20 km
  • 4] 32 km
Solution
10
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
# Quiz