Quiz Discussion

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:

Course Name: Quantitative Aptitude

  • 1] 16 hours
  • 2] 18 hours
  • 3] 20 hours
  • 4] 24 hours
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

A man can row three-quarters of a kilometer against the stream in \(11\frac{1}{4}\) minutes and down the stream in \(7\frac{1}{2}\) minutes. The speed (in km/hr) of the man in still water is:

 

  • 1] 2
  • 2] 3
  • 3] 4
  • 4] 5
Solution
3
Discuss

A boat while dowenstream in a reiver converd a distance of 50 miles at an average speed of 60 miles per hour. While returning , because of the water resistance , it took 1 hour 15 minutes to cover the same distance What was the average speed during the whole journey?

  • 1] 40 mph
  • 2] 48 mph
  • 3] 50 mph
  • 4] 55 mph
Solution
4
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
5
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
6
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
7
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
8
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
9
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
10
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
# Quiz