Quiz Discussion

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.

Course Name: Quantitative Aptitude

  • 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
No Solution Present Yet

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# Quiz
1
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
2
Discuss

A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is?

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

Solution
5
Discuss

A boat moves downstream at the rate of 1 km in \({ \text{7}}\frac{1}{2}\) minutes and upstream at the rate of 5 km an hour. What is the speed of the boat in the still water?

 

  • 1]

    8 km/hour

  • 2]

    \({ \text{6}}\frac{1}{2}\) km/hour

  • 3]

    4 km/hour

  • 4]

    \({ \text{3}}\frac{1}{2}\) km/hour

Solution
6
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
7
Discuss

The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream at the same time, the speed of the stream is-

  • 1] 2 km/hr
  • 2] 2.5 km/hr
  • 3] 3 km/hr
  • 4] 4 km/hr
Solution
8
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
9
Discuss

If the speed of a boat in still water is 20km/hr and the speed of the current is 5km, then the time taken by the boat to travel 100 km with the current is?

  • 1] 2 hours
  • 2] 3 hours
  • 3] 4 hours
  • 4] 7 hours
Solution
10
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 km/hr

  • 2]

    5 km/hr

  • 3]

    8 km/hr

  • 4]

    9 km/hr

Solution
# Quiz