Home
Class 14
MATHS
If 17 labourers can dig a ditch 20 m ...

If 17 labourers can dig a ditch 20 m long in 18 days working 8 hours a day; how many more labourers should be engaged to dig a similar ditch 39 m long in 6 day, each labourer working 9 hours a day? `34` b. `51` c. `68` d. `85`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

300 men can construct a200m long wall in 12 days working 8 hours a day. In how many days can 120 men construct 180 m long wall working 9 hours per day?

18 men can construct 200 m long wall in 16 days working 9 hours per day. In how many days can 36men construct 500 m long wall working 6 hours per day?

If 25 men can do a piece of work in 36 days working 10 hours a day, then how many men are required to complete the work working 6 hours a day in 20 days?

40 men can build a wall 200 m longin 12 days working 8 h a day. The number of days 30 men will take to build a similar wall 300 m long working 6h per day will be (A) 32 (B) 18 (C) 36 (D) 9

RS AGGARWAL-CHAIN RULE-All Questions
  1. Certain number of artisans can complete a shoe fabrication consignm...

    Text Solution

    |

  2. If 9 examiners can examine a certain number of answer books in 12 d...

    Text Solution

    |

  3. If 17 labourers can dig a ditch 20 m long in 18 days working 8 hour...

    Text Solution

    |

  4. 20 men complete one- third of a piece of work in 20 days. How many ...

    Text Solution

    |

  5. A rope makes 70 rounds of the circumference of a cylinder whose rad...

    Text Solution

    |

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

    Text Solution

    |

  7. A contract is to be completed in 46 days and 117 men were set to wor...

    Text Solution

    |

  8. The normal dosage of a particular medicine is t tablets per day for...

    Text Solution

    |

  9. Some persons can do a piece of work in 12 days. Two times the numbe...

    Text Solution

    |

  10. 12 persons can do a piece of work in 4 days. How many persons are r...

    Text Solution

    |

  11. If 5 engines consume 6 metric tonnes of coal when each is running 9...

    Text Solution

    |

  12. If 9 men working 7 1/2 hours a day can finish a piece of work in 20 da...

    Text Solution

    |

  13. If a certain number of workmen can do a piece of work in 25 hours, ...

    Text Solution

    |

  14. 15 men take 21 days of 8 hours each to do a piece of work How many ...

    Text Solution

    |

  15. A contractor employed 30 men to do a piece of work in 38 days. After...

    Text Solution

    |

  16. In a barrack of soldiers there was stock of food for 190 days for 40...

    Text Solution

    |

  17. A garrison of 500 men had provisions for 27 days. After 3 days a re...

    Text Solution

    |

  18. A garrison had provisions for a certain number of days. After 10 da...

    Text Solution

    |

  19. A fort has provisions for 50 days. If after 10 days they are streng...

    Text Solution

    |

  20. A garrison of 2000 men has provision of ration for 66 days. At the ...

    Text Solution

    |