Home
Class 14
MATHS
B is 20% efficient than A. B started the...

B is 20% efficient than A. B started the work & do it for x days. And then B is replaced by A. And A completed the remaining work in x+8 days. Ratio of work done by A & B is 3:2. In how many day A & B working together to complete the whole work?

A

`(130)/(12)` days

B

`(150)/(11)` days

C

`(140)/(13)` days

D

`(100)/(33)` days

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME & WORK

    GAGAN PRATAP |Exercise TIME & WORK (SHEET-3)|23 Videos

  • TIME & WORK

    GAGAN PRATAP |Exercise TIME & WORK (SHEET-3)|23 Videos

  • SURDS & INDICES

    GAGAN PRATAP |Exercise Surds & Indices (Sheet-2)|64 Videos

  • TIME SPEED & DISTANCE

    GAGAN PRATAP |Exercise MULTIPLE CHOICE QUESTIONS|143 Videos

Similar Questions

Explore conceptually related problems

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?

A can do a piece of work in 14 days while B can do it in 28 days. In how many days, working together will they complete the whole work?

A can do a work in 15 days. B is 25% more effcient than a In how many days working together A and B is complete the same work ?

A is 40 % more efficient than B. If B can complete this work in 24 days. In how many days will both A and B complete this work ?

A is 20% more efficient than B. If B alone can complete a piece of work in 12 days, then A alone can complete the same work in how many days?

GAGAN PRATAP -TIME & WORK-TIME & WORK (SHEET-2)
  1. A takes three times as long as B and C together to do a job. B takes f...

    Text Solution

    |

  2. A can work 7/9 as fast as B and C together. A and B together can work ...

    Text Solution

    |

  3. A, B and C together can complete a work in 40 days. (A+B) can complete...

    Text Solution

    |

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

    Text Solution

    |

  5. Ram completed 60% of a task in 15 days and then takes the help of Rahi...

    Text Solution

    |

  6. B and C together takes 33(1)/(3)% more time as compared to the time ta...

    Text Solution

    |

  7. Three workers A, B and C working together completed a job in 10 days. ...

    Text Solution

    |

  8. Working together B and C take 50% more number of days than A, B and C ...

    Text Solution

    |

  9. When they work alone, B needs 25% more time to finish a job than A doe...

    Text Solution

    |

  10. A, B and C together can finish a task in 7.5 days. C is thrice as prod...

    Text Solution

    |

  11. A is thrice as productive as C. Together they can complete a job in 22...

    Text Solution

    |

  12. X and Y can complete a work in 12 days together. After working 4 days ...

    Text Solution

    |

  13. A takes 4 hours to plough as much field as B in 3 hours, while C takes...

    Text Solution

    |

  14. Efficiency of Ram is 25% more than Shyam, who completes a task in 60 d...

    Text Solution

    |

  15. In the beginning, Rohan works at the rate such that he can finish a pi...

    Text Solution

    |

  16. 2 men can build a wall in 15 and 20 hours respectively but, if they wo...

    Text Solution

    |

  17. A and B under took a work for Rs. 880. A got 240 more than B When the ...

    Text Solution

    |

  18. B is 20% efficient than A. B started the work & do it for x days. And ...

    Text Solution

    |

  19. A takes 8 more days than B to finish a work. A and B start this work a...

    Text Solution

    |

  20. Three men and 5 women together can finish a job in 3 days. Working on ...

    Text Solution

    |