Quiz Discussion

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 ?

Course Name: Quantitative Aptitude

  • 1] 12:00 PM
  • 2] 12:30 PM
  • 3] 11:48 PM
  • 4] 12:36 PM
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

Two pipes A and B can fill a tank with water in 30 minutes and 45 minutes respectively. The third pipe C can empty the tank in 36 minutes. First A and B are opened. After 12 minutes C is opened. Total time ( in minutes ) in which the tank will be filled up is -

  • 1] 12 minutes
  • 2] 24 minutes
  • 3] 30 minutes
  • 4] 36 minutes
Solution
3
Discuss

3/4 part of the tank is full of water. When 30 litres of water is taken out, the tank becomes empty. The capacity of the tank is -

 

  • 1] 36 liters
  • 2] 42 liters
  • 3] 40 liters
  • 4] 38 liters
Solution
4
Discuss

A pipe can fill a tank in 3 hours. There are two outlet pipes from the tank which can empty it in 7 and 10 hours respectively. If all the three pipes are opened simultaneously, then the tank will be filled in -

  • 1] 8 hours
  • 2] 9 hours
  • 3] 10 hours
  • 4] 11 hours
Solution
5
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
6
Discuss

A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely?

  • 1]

    6 min to empty

  • 2]

    6 min to fill

  • 3]

    9 min to empty

  • 4]

    9 min to fill

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

Two pipes can fill a tank in 40 and 48 minutes respectively and a waste pipe can empty 3 gallons per minutes. All the three pipes working together can fill the tank in 30 minutes, The capacity of the tank is-

  • 1] 60 gallons
  • 2] 120 gallons
  • 3] 180 gallons
  • 4] 240 gallons
Solution
9
Discuss

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:

  • 1]

    hours

  • 2]

    hours

  • 3]

    hours

  • 4]

    hours

Solution
10
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
# Quiz