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

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
2
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
3
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
4
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
  • 5] None of these
Solution
5
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
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 boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:

  • 1] 2 mph
  • 2] 2.5 mph
  • 3] 3 mph
  • 4] 4 mph
  • 5] None of these
Solution
8
Discuss

P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back in 10 hours and I can row from P to R in 4 hours. Compare the speed of my boat in still water with that of the river.

  • 1] 4 : 3
  • 2] 5 : 3
  • 3] 6 : 5
  • 4] 7 : 3
Solution
9
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
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