Home
Class 14
MATHS
Two pipes, P and g can fill a cistern in...

Two pipes, P and g can fill a cistern in 12 and 15 minutes respectively. If both are opened together and at the end of 3 minutes, the first is closed, how much longer will the cistern take to fill?

A

8 1/4 minutes

B

11 1/4 minutes

C

7 3/4 minutes

D

8 3/4 minutes

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERMUTATION AND COMBINATION

    UPKAR PUBLICATION |Exercise QUESTION BANK|59 Videos

  • PRACTICE SET -6

    UPKAR PUBLICATION |Exercise Part-III (Quantative Aptitude)|50 Videos

Similar Questions

Explore conceptually related problems

Two pipes P and Q can fill a cistern in 12 and 15 min, respectively. If both are opened together and at the end of 3 min, the first is closed. How much longer will the cistern take to fill?

Two pipes P and Q can fill a cistern in 15 minutes and 20 minutes respectively. Both are opened together, but at the end of 5 minutes, the pipe P is turned off. How long will the pipe Q take to fill the cistern ?

Two pipes P and Q can fill a cistern in 15 minutes and 20 minutes respectively. Both are opened together, but at the end of 5 minutes, the pipe P is turned off. How long will the pipe Q take to fill the cistern ?

Two inlet pipes A and E can fill an empty cistern in 12 minutes and 36 minutes respectively. Both the pipes A and E are opened together and after some time pipe A is closed. If the cistern gets filled in 20 minutes, then for how many minutes pipe A was open?

UPKAR PUBLICATION -PIPES AND CISTERNS-QUESTION BANK
  1. A pipe can empty a tank in 12 minutesand another pipe can empty it in ...

    Text Solution

    |

  2. There is a leak in the bottom of cistern .When the cistern is throughl...

    Text Solution

    |

  3. Tap 'A' can fill a water tank in 25 minutes , tap 'B' can fill the sam...

    Text Solution

    |

  4. A cistern is normally filled in 8 h but takes 2 h more to fill because...

    Text Solution

    |

  5. A cistern can be filled by two pipes ,A and B in 12 minutes and 14 min...

    Text Solution

    |

  6. A cistern has 3 pipes A and B and C,A and B can fill it in 2 and 3 hou...

    Text Solution

    |

  7. Two pipes A and B can fill a cistern in 20 minutes and 25 minutes resp...

    Text Solution

    |

  8. Two pipes, P and g can fill a cistern in 12 and 15 minutes respectivel...

    Text Solution

    |

  9. A cistern can be filled by two pipes in 30 and 40 minutes respectively...

    Text Solution

    |

  10. Three taps A,B and C can fill a cistern in 10,15 and 20 minutes respec...

    Text Solution

    |

  11. Three taps A,b and C can till a cistern in 10 min. , 12 min, and 15 mi...

    Text Solution

    |

  12. A cistern has a leak which would empty it is in 15 hours.A tap is turn...

    Text Solution

    |

  13. A cistern can be filled by two pipes in 30 min and 36 min respectively...

    Text Solution

    |

  14. Two pipes A and B can fill a tank in 15 hours and 20 hours respectivel...

    Text Solution

    |

  15. Three pipes A,B and C can fill a cistern in 10h, 12h and 15h respectiv...

    Text Solution

    |

  16. A, B, C are three pipes attached to a cistern. A and B can fill it in ...

    Text Solution

    |

  17. Pipe A fills the cistern in half an hour an pipe B in 40 minutes,but o...

    Text Solution

    |

  18. A cistern which could be filled in 9 hours takes one hour more to be f...

    Text Solution

    |

  19. A tap can fill a cistern in 8 hours and another can empty it in 16 hou...

    Text Solution

    |

  20. A tap can fill a tank in 25 minutes and another can empty it in 50 mi...

    Text Solution

    |