Home
Class 8
MATHS
Malini can do a piece of work in 20 days...

Malini can do a piece of work in 20 days, while Shalini can do it in 25 days. Shalini started the work and after 5 days Malini joined her.They together completed the remaining work. How ,many days did they take to complete the whole work?

A

`8(1)/(8)`

B

8

C

`8(8)/(9)`

D

`13(8)/(9)`

Text Solution

Verified by Experts

The correct Answer is:
D

Find the part of the work done Shalini in 5 days.
Promotional Banner

Topper's Solved these Questions

  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-2)|20 Videos
  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|7 Videos
  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise Essay Type Question|5 Videos
  • TIME AND DISTANCE

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application (Level 2 )|3 Videos
  • TIME AND WORK, PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|7 Videos

Similar Questions

Explore conceptually related problems

A can do a piece of work in 12 days and B can do same work in 18 days. Both A and B start the work and after some days A left and B complete the remaining work in 8 days. After how many days will A left work?

A can do a piece of work in 20 days and B can do same work in 25 days. Both A and B start the work and after 8 days A left. In how many days will the total work be completed ?

A and B can do a piece of work together in 15 days while A alone can do it in 25 days. They start working together but B leaves 5 days before the completion of the work. For how many days did A and B work together?

A can do a piece of work in 14 days while B can do it in 21 days. In how many days, working together they will complete the whole work?

PEARSON IIT JEE FOUNDATION-TIME AND WORK PIPES AND CISTERNS-CONCEPT APPLICATION (LEVEL-1)
  1. A is twice as efficient as B and they together can complete a piece of...

    Text Solution

    |

  2. Two taps A and B can fill a tank in 15 minutes and 20 minutes respecti...

    Text Solution

    |

  3. Malini can do a piece of work in 20 days, while Shalini can do it in 2...

    Text Solution

    |

  4. Working individually, A,B and C can finish a piece of work in 16 days....

    Text Solution

    |

  5. A,B and C can do a piece of work in 12,18 and 9 days respectively. A s...

    Text Solution

    |

  6. Vinay and Varma can do a work in 30 days and 60 days respectively. If ...

    Text Solution

    |

  7. An empty tank can be filled by two pipes individually in 30 minutes an...

    Text Solution

    |

  8. One pipe can fill a tank in 40 minutes and an outlet pipe can empty th...

    Text Solution

    |

  9. A tap can fill a tank in 48 minutes whereas another tap can empty i...

    Text Solution

    |

  10. Two taps A and B can fill a tank in 10 hours and 40 hours respectively...

    Text Solution

    |

  11. Nitu alone can complete (4)/(5)th of a piece of work in 20 days. She w...

    Text Solution

    |

  12. A and B can complete a piece of work in 12 days and 24 days respectivl...

    Text Solution

    |

  13. A can do one-third of a piece of work in 4 days and B can do one-fourt...

    Text Solution

    |

  14. Six men and 4 women can do a piece of work in 32 days. Seven men and 1...

    Text Solution

    |

  15. Nimai and Gaurang can complete a piece of work in 40 days and 60 days ...

    Text Solution

    |

  16. Two students A and B can finish solving some set of questions in 10 m...

    Text Solution

    |

  17. A certain number of people can complete can complete a piece of work i...

    Text Solution

    |

  18. The ratio of the rate of work done for a woman and a man is 2:1. Six w...

    Text Solution

    |

  19. A and B together can do a piece of work in 10 days. If A alone can do ...

    Text Solution

    |

  20. X can do a piece of work in 6 days while Y can do the same work in 8 ...

    Text Solution

    |