Home
Class 14
MATHS
Two pipes A and B can fill a tank in 20 ...

Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If only pipe B was kept open in the beginning for 1/5 th of the total time and then, both pipe A and B were kept open for the remaining time. How many minutes did it take the pipes to fill the tank?

A

`16 2/(23)`

B

`13 1/(23)`

C

`13 5/(23)`

D

`13 7/(11)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TIME & WORK

    MOTHERS|Exercise MULTIPLE CHOICE QUESTIONS|175 Videos

  • TIMES & DISTANCE

    MOTHERS|Exercise CLASS ROOM EXERCISE |190 Videos

Similar Questions

Explore conceptually related problems

Two pipes A and B can fill a tank in 12 minutes and 18 minutes respectively. If both the pipes are opened simultaneously, how long will they take to fill the tank ?

If two pipes A and B can fill a tank in 20 and 30 min separately. If both pipes are opened, then tank will be filled in

Pipes A and B can fill a tank in 5 hours and 20 hours respectively. If both pipes are opened then, how much time (in hours) it will take to fill the tank?

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?

Two pipes A and B can fill a tank in 18 minutes and 24 minutes respectively. If both the pipes are opened simultaneously, then after how much time should pipe B be closed so that the tank is full in 12 minutes?

MOTHERS-TIME AND WORK -MULTIPLE CHOICE QUESTIONS
  1. A and B can finish a work together in 3 2/3 days. C and D can finish t...

    Text Solution

    |

  2. A can do 1/5 th of a work in 4 days and B can do 1/6th of the same wor...

    Text Solution

    |

  3. Two pipes A and B can fill a tank in 20 minutes and 30 minutes respect...

    Text Solution

    |

  4. Three pipes A, B and C can fill a cistern in 15, 24 and 36 minutes res...

    Text Solution

    |

  5. A and B can complete a task in 25 days. B alone can complete 33 1/3% o...

    Text Solution

    |

  6. If 30 persons take 10 days to complete a certain work working 8 hours ...

    Text Solution

    |

  7. A , B and C can finish a task in 42 days, 84 days and 28 days, respect...

    Text Solution

    |

  8. A and B. working together, can complete a work in 16 days, C and A tog...

    Text Solution

    |

  9. Pipes A and B can fill a tank in 8 hours and 12 hours, respectively wh...

    Text Solution

    |

  10. A and B together can do a piece of work in 10 days, B and C together c...

    Text Solution

    |

  11. 18 men can complete a work in 9 days. After they have worked for 5 day...

    Text Solution

    |

  12. A can do 40% of a work in 6 days and B can do 30% of the same work in ...

    Text Solution

    |

  13. A, B and c can complete a piece of work in 10, 20 and 60 days respecti...

    Text Solution

    |

  14. A, B and C can complete a piece of worik in 4, 28 and 56 days respecti...

    Text Solution

    |

  15. A, B and C can complete a piece of work in 5, 20 and 60 days respectiv...

    Text Solution

    |

  16. A, B and C can complete a piece of work in 4, 20 and 60 days respectiv...

    Text Solution

    |

  17. A, B and C can complete a piece of work in 4, 20 and 60 days respectiv...

    Text Solution

    |

  18. A and B can complete a piece of work in 15 days and 10 days respective...

    Text Solution

    |

  19. A and B can complete a piece of work in 15 days and 10 days respective...

    Text Solution

    |

  20. A and B can complete a piece of work in 15 days and 10 days respective...

    Text Solution

    |