Home
Class 14
MATHS
A and B can do a job together in 7 days....

A and B can do a job together in 7 days. A is `1 3/4` times as efficient as B. the same job can be done by A alone in: a. `9 1/3` days b. `11` days c. `12 1/4` days d. `16 1/3` days

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TIME AND DISTANCE

    RS AGGARWAL|Exercise All Questions|210 Videos

  • TRUE DISCOUNT

    RS AGGARWAL|Exercise All Questions|26 Videos

Similar Questions

Explore conceptually related problems

A and B can do a job together in 12days . A is 2 times as efficient as B . In how many days can B alones complete the work ?

A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in 9 1/5d a y s b. 9 2/5d a y s c. 10 d a y s d. 9 3/5d a y s

If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?

A can do a certain job in 12 days.B is 60% more efficient than A.how many days does B alone take to do the same job?

RS AGGARWAL-TIME AND WORK-All Questions
  1. David and Michael together can finish a job in 4 days 19 hrs 12 min. I...

    Text Solution

    |

  2. A is thrice as good a workman as B and so takes 60 days less than B fo...

    Text Solution

    |

  3. A and B can do a job together in 7 days. A is 1 3/4 times as efficient...

    Text Solution

    |

  4. Kamal can do a work n 15 days. Bimal is 50% more efficient than Kam...

    Text Solution

    |

  5. A does 20% less work than B. If A can finish a piece of work in 7(1)/(...

    Text Solution

    |

  6. A is 30% more efficient than B. How much time will they, working toget...

    Text Solution

    |

  7. A can do a piece of work in 10 days working 8 hours per day. If B i...

    Text Solution

    |

  8. A does half as much work as B in 3/4th of the time. If together they t...

    Text Solution

    |

  9. A is 50% as efficient as B.C does half of the work done by A and B ...

    Text Solution

    |

  10. Two workers A and B working together completed a job in 5 days. If ...

    Text Solution

    |

  11. A can do a work in 15 days and B in 20 days. If they work on it tog...

    Text Solution

    |

  12. A can do a piece of work in 15 days, which B can do in 10 days. B w...

    Text Solution

    |

  13. A and B can complete a work in 18 days and 15 days respectively. Th...

    Text Solution

    |

  14. A, B and C can do a piece of work in 15, 12 and 20 days respectively. ...

    Text Solution

    |

  15. A machine P can print one lakh books in 8 hours, machine Q can print...

    Text Solution

    |

  16. A and B can do a piece of work in 30 days, while B and C can do the...

    Text Solution

    |

  17. X and Y can do a piece of work in 20 days and 12 days respectively....

    Text Solution

    |

  18. A complete 7/10 of a work in 15 days. After that he completes the work...

    Text Solution

    |

  19. A man and a boy can do a piece of work in 24 days. If the man works...

    Text Solution

    |

  20. A and B can together finish a work in 30 days. They worked together...

    Text Solution

    |