Quiz Discussion

Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

Course Name: Quantitative Aptitude

  • 1]

    hours

  • 2]

    hours

  • 3]

    hours

  • 4]

    hours

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M. ?

  • 1] 12.45 A.M.
  • 2] 5 P.M.
  • 3] 11.45 A.M.
  • 4] 12 P.M.
Solution
3
Discuss

Two pipe A and B can fill a water tank in 20 and 24 minutes respectively and a third pipe C can empty at the rate of 3 gallons per minute. If A, B and C are open together to fill the tank in 15 minutes, find the capacity of tank?

  • 1] 180 gallons
  • 2] 150 gallons
  • 3] 120 gallons
  • 4] 60 gallons
Solution
4
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
5
Discuss

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 )

  • 1]

  • 2]

  • 3]

  • 4]

Solution
6
Discuss

An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it  took 321​ hours to fill the tank. The leak can drain all the water off the tank in

  • 1]

    12 hours

  • 2]

    10 1/2 hours

  • 3]

    6 1/2 hours

  • 4]

    21 hours

Solution
7
Discuss

An outlet pipe can empty a cistern in 3 hours. In what time will empty 2/3 of the cistern?

 

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

A cistern has two taps which fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 minutes. How long will the waste pipe take to empty the full cistern?

  • 1]

    12 min

  • 2]

    10 min

  • 3]

    8 min

  • 4]

    16 min

Solution
9
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
10
Discuss

12 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?

  • 1] 8
  • 2] 15
  • 3] 16
  • 4] 18
Solution
# Quiz