Home
Class 14
MATHS
A can do a work in 15 days and B in 20 d...

A can do a work in 15 days and B in 20 days.If they together work on it for 4 days, then the fraction of the work that is left is:

A

`(8)/(15)`

B

`(7)/(15)`

C

`(1)/(4)`

D

`(1)/(10)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TIME AND WORK

    KIRAN PUBLICATION|Exercise TEST YOURSELF|25 Videos

  • TIME AND WORK

    KIRAN PUBLICATION|Exercise TYPE-V|19 Videos

  • TIME AND DISTANCE

    KIRAN PUBLICATION|Exercise Type -XI|74 Videos

  • TRIGONOMETRY

    KIRAN PUBLICATION|Exercise TEST YOURSELF|25 Videos

Similar Questions

Explore conceptually related problems

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

A can do a work in 15 days and B in 20 days.If they work on it together for 4 days,then the fraction of the work that is left is (1)/(4) b.(1)/(10)c(7)/(1)d.(8)/(15)

A can do a work in 20 days and B can do it in 14 days. If they work together for 7 days, then the fraction of the work left is:

A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is completed by C in 3 days, then in how many days can C do the same work alone?

KIRAN PUBLICATION-TIME AND WORK-TYPE-VI
  1. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in h...

    Text Solution

    |

  2. Sister can bake 50 cakes in 25 hours, Sister and Mummy together can ba...

    Text Solution

    |

  3. A can do a work in 15 days and B in 20 days.If they together work on i...

    Text Solution

    |

  4. A can complete a piece of work in 18 days and B can complete the same ...

    Text Solution

    |

  5. A does (7)/(10) part of work in 15 days. After that he completes the r...

    Text Solution

    |

  6. A can do (1)/(2) of a piece of work in 5 days B can do (3)/(5) of the ...

    Text Solution

    |

  7. If 28 men complete (7)/(8) of a plece of work in a week, then the numb...

    Text Solution

    |

  8. P can complete (1)/(3) of a work in 10 days, Q can complete 40% of the...

    Text Solution

    |

  9. A alone can do a plece of work in 20 days and B alone in 30 days. They...

    Text Solution

    |

  10. A does half as much work as B in three fourth of the times. If togethe...

    Text Solution

    |

  11. A can do one and a half as much of a work which B can do in one day. B...

    Text Solution

    |

  12. Two workers A and B are engaged to do a piece of work. A working alone...

    Text Solution

    |

  13. A company employed 200 workers to complete a certain work in 150 days....

    Text Solution

    |

  14. A, B and Care employed to do a plece of work for Rs. 5,290. A and B to...

    Text Solution

    |

  15. 4 men and 6 women complete a work in 8 days. 2 men and 9 women also co...

    Text Solution

    |

  16. A can do in one day three times the work done by B in one day. They to...

    Text Solution

    |

  17. Janardan completes (2)/(3) of his work in 10 days. Time he will take t...

    Text Solution

    |

  18. John does (1)/(2) piece of work in 3 hours, Joe does (1)/(4) of the re...

    Text Solution

    |

  19. A and B work together to complete the rest of a job in 7 days. However...

    Text Solution

    |

  20. Dhiru can dig (1)/(a) of a field in 20 hours. What fraction of the sam...

    Text Solution

    |