Home
Class 14
MATHS
A and B can finish a work together in 3 ...

A and B can finish a work together in `3 2/3` days. C and D can finish the same work in `3 1/7` days. If A, B, C and D do the work together, how long will it take for then to finish half of the work?

A

`(11)/(13)` days

B

`1 1/(13)` days

C

`(8)/(13)` days

D

`(2)/(13)` days

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME & WORK

    MOTHERS|Exercise MULTIPLE CHOICE QUESTIONS|175 Videos

  • TIMES & DISTANCE

    MOTHERS|Exercise CLASS ROOM EXERCISE |190 Videos

Similar Questions

Explore conceptually related problems

3 men can do a piece of work in 6 days. 5 women can do the same work in 18 days. If 4 men and 10 women work together, then how long will it take to finish the work?

1. A and B together can finish a work in 15 days. If If A alone can finish this work in 24 days, B alone can do this work In how many days?

A can finish 25% of a task in 3 days and B can finish half of the task in 18 days. If they work on it together, in how many days can they finish the task?

A can do a piece of work in 10 days and B can do the same work in 12 days. How long will they take to finish the work, if both work together?

A and B can finish a work together in 12 days, and B and C together in 16 days. If A alone works for 5 days and then B alone continues for 7 days, then remaining work is done by C in 13 days. In how many days can C alone finish the complete work?

MOTHERS-TIME AND WORK -MULTIPLE CHOICE QUESTIONS
  1. Three painters have to spend 6 hours a day for 12 days to finish a wor...

    Text Solution

    |

  2. A pipe can fill a tank in 30 minutes. Due to two leakages A and B, the...

    Text Solution

    |

  3. A and B can finish a work together in 3 2/3 days. C and D can finish t...

    Text Solution

    |

  4. A can do 1/5 th of a work in 4 days and B can do 1/6th of the same wor...

    Text Solution

    |

  5. Two pipes A and B can fill a tank in 20 minutes and 30 minutes respect...

    Text Solution

    |

  6. Three pipes A, B and C can fill a cistern in 15, 24 and 36 minutes res...

    Text Solution

    |

  7. A and B can complete a task in 25 days. B alone can complete 33 1/3% o...

    Text Solution

    |

  8. If 30 persons take 10 days to complete a certain work working 8 hours ...

    Text Solution

    |

  9. A , B and C can finish a task in 42 days, 84 days and 28 days, respect...

    Text Solution

    |

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

    Text Solution

    |

  11. Pipes A and B can fill a tank in 8 hours and 12 hours, respectively wh...

    Text Solution

    |

  12. A and B together can do a piece of work in 10 days, B and C together c...

    Text Solution

    |

  13. 18 men can complete a work in 9 days. After they have worked for 5 day...

    Text Solution

    |

  14. A can do 40% of a work in 6 days and B can do 30% of the same work in ...

    Text Solution

    |

  15. A, B and c can complete a piece of work in 10, 20 and 60 days respecti...

    Text Solution

    |

  16. A, B and C can complete a piece of worik in 4, 28 and 56 days respecti...

    Text Solution

    |

  17. A, B and C can complete a piece of work in 5, 20 and 60 days respectiv...

    Text Solution

    |

  18. A, B and C can complete a piece of work in 4, 20 and 60 days respectiv...

    Text Solution

    |

  19. A, B and C can complete a piece of work in 4, 20 and 60 days respectiv...

    Text Solution

    |

  20. A and B can complete a piece of work in 15 days and 10 days respective...

    Text Solution

    |