Quiz Discussion

Two pipe can fill a cistern in 3 hours and 4 hours respectively and a waste pipe can empty it in 2 hours. If all the three pipes are kept open, then the cistern will be filled in-

Course Name: Quantitative Aptitude

  • 1] 5 hours
  • 2] 8 hours
  • 3] 10 hours
  • 4] 12 hours
Solution
No Solution Present Yet

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# Quiz
1
Discuss

Two pipes A and B can fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is one - third full, a leak develops in the tank through which one - third water supplied by both the pipes gose out. The total time taken to fill the tank is?

  • 1] 12 hours
  • 2] 14 hours
  • 3] 16 hours
  • 4] 18 hours
Solution
2
Discuss

Pipe A can fill the tank in 8 hours and pipe B can fill it in 12 hours. If pipe A is opened at 7:00 AM and pipe B is opened at 9:00 AM, then at what time will the tank be full ?

  • 1] 12:00 PM
  • 2] 12:30 PM
  • 3] 11:48 PM
  • 4] 12:36 PM
Solution
3
Discuss

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is:

  • 1] 60 gallons
  • 2] 100 gallons
  • 3] 120 gallons
  • 4] 180 gallons
  • 5] None of these
Solution
4
Discuss

Three taps A, B and C can fill a tank in 12,15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in.

  • 1]

    6 hours

  • 2]

    6 2/3 hours

  • 3]

    7 hours

  • 4]

    7 1/2 hours

Solution
5
Discuss

A pipe can fill a tank with water in 3 hours. Due to leakage in bottom, it takes hours to fill it. In what time the leak will empty the completely filled tank?

 

  • 1]

    12 hours

  • 2]

    21 hours

  • 3]

    hours

  • 4]

    hours

Solution
6
Discuss

Three taps A, B, C can fill an overhead tank in 4, 6 and 12 hours respectively. How long would the three taps take to fill the tank if all of them are opened together ?

  • 1] 2 hours
  • 2] 4 hours
  • 3] 3 hours
  • 4] 5 hours
Solution
7
Discuss

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

  • 1] 3 hrs 15 min
  • 2] 3 hrs 45 min
  • 3] 4 hrs
  • 4] 4 hrs 15 min
Solution
8
Discuss

Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is -

  • 1]

    3 hours

  • 2]

    2 hours

  • 3]

     hours

  • 4]

    hours

Solution
9
Discuss

A vessel has three pipes connected to it , two to supply liquid and one to draw liquid. The first alone can fill the vessel in hours, the second in 3 hours and the third can empty it in hours. If all the pipes are opened simultaneously when the vessel is half full, how soon will it be emptied?

 

  • 1]

    hours

  • 2]

     hours

  • 3]

    hours

  • 4]

    None of these

Solution
10
Discuss

Having the same capacity 9 taps fill up a water tank in 20 minutes. How many taps of the same capacity are required to fill up the same water tank in 15 minutes ?

  • 1] 10 taps
  • 2] 12 taps
  • 3] 15 taps
  • 4] 18 taps
Solution
# Quiz