Quiz Discussion

Two pipes can fill a tank in 12 hours and 16 hours respectively. A third pipe can empty the tank in 30 hours. If all three pipes are opened and functions simultaneously, how much time will the tank take to be full?( in hours )

Course Name: Quantitative Aptitude

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Solution
No Solution Present Yet

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# Quiz
1
Discuss

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-

  • 1] 5 hours
  • 2] 8 hours
  • 3] 10 hours
  • 4] 12 hours
Solution
2
Discuss

Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?

  • 1]

    10 min. 20 sec.

  • 2]

    11 min. 45 sec.

  • 3]

    12 min. 30 sec.

  • 4]

    14 min. 40 sec.

Solution
3
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
4
Discuss

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

  • 1]

  • 2]

  • 3]

  • 4]

Solution
5
Discuss

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

  • 1] 1 hour
  • 2] 2 hours
  • 3] 6 hours
  • 4] 8 hours
Solution
6
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]

    hours

  • 3]

    7 hours

  • 4]

    hours

Solution
7
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
8
Discuss

Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long it will take to fill the tank ?

  • 1]

    10 mins

  • 2]

    12 mins

  • 3]

    15 mins

  • 4]

    20 mins

Solution
9
Discuss

A tank is 7 metre long and 4 meter wide wide. At what speed should water run through a pipe 5 cm broad and 4 cm deep so that in 6 hours and 18 minutes water level in the tank rises by 4.5 meter?

  • 1] 10 km/hours
  • 2] 12 km/hours
  • 3] 8 km/hours
  • 4] None of these
Solution
10
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
# Quiz