Home
Class 14
MATHS
A and B can do a work in 15 days and 10 ...

A and B can do a work in 15 days and 10 days respectively. They begin the work together but B leaves after two days. Now A completes the remaining work. The total number of days needed for the completion of the work is:
A और B क्रमशः 15 दिनों और 10 दिनों में एक कार्य कर सकते हैं। वे एक साथ कार्य शुरू करते हैं लेकिन B दो दिनों के बाद छोड़ देता हैं। अब A शेष कार्य को पूरा करता है। कार्य पूरा होने के लिए आवश्यक कुल दिनों की संख्या है:

A

15 days

B

18 days

C

12 days

D

10 days

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

PINNACLE-WORK AND TIME-EXERCISE
  1. A is twice as good a workman as B and together they finish a piece of ...

    Text Solution

    |

  2. A and B can do a work in 12 days, B and C can do it in 15 days and C a...

    Text Solution

    |

  3. A and B can do a work in 15 days and 10 days respectively. They begin ...

    Text Solution

    |

  4. Ravi and Mohan together can complete a task in 3 days. Ravi alone can ...

    Text Solution

    |

  5. A and B working together can do 45% of the work in 9 days. A alone can...

    Text Solution

    |

  6. X and Y together can finish a piece of work in 15 days, while Y alone ...

    Text Solution

    |

  7. P and Q can finish a work in 10 days and 5 days, respectively. Q worke...

    Text Solution

    |

  8. Smith and Ajit can complete a task in 12 days and 18 days respectively...

    Text Solution

    |

  9. 25 men can complete a task in 16 days. Four days after they started wo...

    Text Solution

    |

  10. P can work thrice as fast as Q. Working independently, Q can complete ...

    Text Solution

    |

  11. P can do a work in 10 days and Q can do the same work in 15 days. If t...

    Text Solution

    |

  12. Ravi, Mohan and Govind can complete a task in 12 days, 10 days and 15 ...

    Text Solution

    |

  13. Kamal and Anil can dig a pond in 8 days and 14 days, respectively. If ...

    Text Solution

    |

  14. Ravi can complete a task in 6 days and Mohan can complete the same tas...

    Text Solution

    |

  15. A can do a piece of work in 15 days, B is 25% more efficient than A an...

    Text Solution

    |

  16. A can do 20% of the work in 4 days, B can do 33 1/3 % of the same work...

    Text Solution

    |

  17. Three men and 4 women can do a piece of work in 7 days, whereas 2 men ...

    Text Solution

    |

  18. To do a certain work, the ratio of the efficiencies of A and B is 7: 5...

    Text Solution

    |

  19. Two men and 7 women can complete a work in 28 days, whereas 6 men and ...

    Text Solution

    |

  20. A can do 1/3 of work in 30 days, B can do 2/5 of the same work in 24 d...

    Text Solution

    |