Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1] 2 hrs
  • 2] 3 hrs
  • 3] 2.4 hrs
  • 4] 1.2 hrs
Solution
No Solution Present Yet

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# Quiz
1
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
2
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
3
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
4
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
5
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
6
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
7
Discuss

A man rows 12 km in 5 hours against the stream and the speed of current being 4 kmph. What time will be taken by him to row 15 km with the stream?

  • 1]

    1 hour \({ \text{27}}\frac{7}{{13}}\) minutes

  • 2]

    1 hour \({ \text{24}}\frac{7}{{13}}\) minutes

  • 3]

    1 hour \({ \text{25}}\frac{7}{{13}}\) minutes

  • 4]

    1 hour \({ \text{26}}\frac{7}{{13}}\) minutes

Solution
8
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
9
Discuss

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?

 

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