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`

A

51

B

68

C

85

D

34

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CALENDAR

    UPKAR PUBLICATION |Exercise QUESTION BANK|17 Videos

  • COMPOUND INTEREST

    UPKAR PUBLICATION |Exercise QUESTION BANK|59 Videos

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

Fifteen men can complete a piece of work in 10 days, working 8 hours per day. How many persons are required to complete double the work in 25 days, working 6 hours per day ?

UPKAR PUBLICATION -CHAIN RULE-QUESTION BANK
  1. If 15 pens cost Rs. 35, what is the cost of 39 pens?

    Text Solution

    |

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

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

    Text Solution

    |

  6. A garirison of 500 men had provision for 24 days.However a reinforceme...

    Text Solution

    |

  7. In a camp, 95 men had provisions for 200 days. After 5 days, 30 men le...

    Text Solution

    |

  8. If 18 pumps can raise 2170 tonnes of water in 10 days working 7 hou...

    Text Solution

    |

  9. If 4 examiners can examine a certain number of answer books in 8 days ...

    Text Solution

    |

  10. If 20 men working 7 hours a day can do a piece of work in 10 days, in ...

    Text Solution

    |

  11. If 300 men can do a piece of work in 16 days. How many men would do (1...

    Text Solution

    |

  12. If 20 men can build a wall 112 metres long in 6 days, what length of a...

    Text Solution

    |

  13. If 3 persons weave 168 shawls in 14 days, how many shawls will 8 perso...

    Text Solution

    |

  14. If six men working 8 hours a day earn Rs. 840 per week then 9 men work...

    Text Solution

    |

  15. If 18 binders bind 900 books in 10 days, how many binders will be requ...

    Text Solution

    |

  16. If the rent for grazing 40 cows for 20 days is Rs. 370, how many cows ...

    Text Solution

    |

  17. In a hospital there is a consumption of 1350 litres of milk for 70 pat...

    Text Solution

    |

  18. If 40 persons consume 60 kg of rice in 15 days, then in how many days ...

    Text Solution

    |

  19. On a scale of a map 0.8 cm represents 8.8 km. If the distance between ...

    Text Solution

    |

  20. If 22.5 metres of a uniform iron rod weighs 85.5 kg. What will be the ...

    Text Solution

    |