Home
Class 14
MATHS
The efficiencies of A,B and C are in the...

The efficiencies of A,B and C are in the ratio 4 : 5 : 6. Working together, they can complete a work in 12 days. In how many days will A alone be able to complete that work?
A, B तथा C की कार्य क्षमता 4 : 5 : 6 के अनुपात में है | एक साथ कार्य करते हुए वे किसी कार्य को 12 दिन में पूरा कर सकते हैं | A अकेले इस कार्य को कितने दिन में कर पाएगा ?

A

45

B

36

C

30

D

40

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

PINNACLE-WORK AND TIME-EXERCISE
  1. 16 persons working 6 hours a day can complete a work in 10 days. In ho...

    Text Solution

    |

  2. The efficiencies of A,B and C are in the ratio 5 : 6 : 8, working toge...

    Text Solution

    |

  3. The efficiencies of A,B and C are in the ratio 4 : 5 : 6. Working toge...

    Text Solution

    |

  4. 24 persons working 8 hours a day can complete 2 units of a work in 10 ...

    Text Solution

    |

  5. 18 persons working 8 hours a day can complete 3 units of works in 10 d...

    Text Solution

    |

  6. The efficiencies of A, B and C are in the ratio 2 : 5 : 7 working toge...

    Text Solution

    |

  7. A can do a work in 12 days while B can do same work in 18 days. How lo...

    Text Solution

    |

  8. 3 men, 4 women and 6 children can complete a work in 7 days. A woman d...

    Text Solution

    |

  9. Three painters have to spend 6 hours a day for 12 days to finish a wor...

    Text Solution

    |

  10. A can do a work in 30 days, B can do the same work in 48 days. After w...

    Text Solution

    |

  11. If 15 men can do a piece of work in 14 days, how many men will be need...

    Text Solution

    |

  12. 21 typist can complete a task in 8 days. Then in how many days 15 typi...

    Text Solution

    |

  13. The efficiency of A is three times of B and efficiency of B is twice t...

    Text Solution

    |

  14. Both A and B working together can complete a task in 3 2/3 days. C and...

    Text Solution

    |

  15. A can do one fifth part of a task in 4 days, B can do one sixth part o...

    Text Solution

    |

  16. A earns Rs 40 per hour and works for 12 hours. B earns Rs 60 per hour ...

    Text Solution

    |

  17. Two teachers A and B can complete an academic work in 10 days and 15 d...

    Text Solution

    |

  18. A alone can do a piece of work in 30 days. B alone can do the same wor...

    Text Solution

    |

  19. A and B together can do a piece work in 20 days. B and C together can ...

    Text Solution

    |

  20. A can do a piece of work alone in 8 days. B can do the same work alone...

    Text Solution

    |