Home
Class 14
MATHS
John does (1)/(2) piece of work in 3 hou...

John does `(1)/(2)` piece of work in 3 hours, Joe does `(1)/(4)` of the remaining work in 1 hour and George finishes remaining work in 5 hours. How long would it have taken the three working together to do the work?

A

`2(1)/(7)`hours

B

`3(1)/(7)`hours

C

`3(8)/(11)`hours

D

`2(8)/(11)`hours

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TIME & WORK

    GAGAN PRATAP |Exercise TIME & WORK (SHEET-2)|34 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 finish a piece of work in 12 hours while B can finish it in 15 hours. How long will both take to finish it, working together?

Ravi can do a piece of work in 15 hours while Raman can do it in 12 hours. How long will both take to do it, woking together?

A can do a piece of work in 80 days.He works at it for 10 days and then B alore finishes the remaining work in 42 days.How long will B take to do the entire work alone?

A can do a piece of work in 2 hours, B can do thrice the work in 8 hours and C can do the same work as A in 8 hours. If all of them work together, how long it would take them to complete the work :

Vaibhav can do a piece of work in 60 days. He works there for 15 days and then Sandeep alone finishes the remaining work in 30 days. In how many days will Vaibhav and Sandeep working together finish the work?

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

GAGAN PRATAP -TIME & WORK-TIME & WORK (SHEET-3)
  1. John does (1)/(2) piece of work in 3 hours, Joe does (1)/(4) of the re...

    Text Solution

    |

  2. A and B working together can do 30% of the work in 6 days. B alone can...

    Text Solution

    |

  3. A can finish a piece of work in a certain number of days. B takes 45% ...

    Text Solution

    |

  4. A works thrice as fast as B and B works 50% more fast as C does. All t...

    Text Solution

    |

  5. A certain number of persons can complete a work in 34 days working 9 h...

    Text Solution

    |

  6. If 90 men can do a certain job in 16 days, working 12 hours day, then ...

    Text Solution

    |

  7. In a fort there was sufficient food for 760 soldiers for 44 days. Afte...

    Text Solution

    |

  8. There is sufficient food for 2400 soldiers for 60 days and each soldie...

    Text Solution

    |

  9. There is sufficient food for 4000 soldiers for 40 days and each soldie...

    Text Solution

    |

  10. A contractor undertook to finish a road in 60 days and he employ 150 m...

    Text Solution

    |

  11. 30 men working 8 hours per days can dig a pond in 16 days. By working ...

    Text Solution

    |

  12. If x men working x hours per day can do x units of work in x days, the...

    Text Solution

    |

  13. If 2 carpenters working 6 hours a day can make 460 chairs in 240 days,...

    Text Solution

    |

  14. If 6 burners burn 6 hours daily, the cost of gas for 8 days comes to R...

    Text Solution

    |

  15. If 45 persons can complete a work in 18 days, working 8 hours a day, t...

    Text Solution

    |

  16. 40 men working 8 hours a day can do a piece of work in 15 days. Find t...

    Text Solution

    |

  17. 12 men and 18 boys work 7.5 hours a day to complete any work within 60...

    Text Solution

    |

  18. A contractor undertook to finish a work in 92 days and employed 110 me...

    Text Solution

    |

  19. A contract is to be completed in 75 days and 187 men are to work 15 ho...

    Text Solution

    |

  20. A contractor employees 245 men who finish the 7/11th of total work in ...

    Text Solution

    |

  21. A contractor undertakes to make a road in 180 days of 32.8 km long and...

    Text Solution

    |