Home
Class 14
MATHS
A can do a piece of work alone in 10 day...

A can do a piece of work alone in 10 days. A and B together can do the same work in 20/3 days. A, B and C can do the same work together in 40/7 days. In how many days can B and C do the same work together?
A किसी कार्य को अकेले 10 दिन में कर सकता है | A तथा B उसी कार्य को मिलकर 20/3 दिनों में कर सकते हैं |A, B तथा C उसी कार्य को मिलकर 40/7 दिनों में कर सकते हैं | B तथा C उसी कार्य को मिलकर कितने दिनों में कर सकते हैं?

A

`44/3`

B

`20/3`

C

`40/3`

D

`44/7`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A can do a piece of work in 16 days and B can do the same work in 20 days.In how many days can they do the same work,working together?

A and B together can do a piece work in 20 days. B and C together can do the same work in 25 days. C and A together can do the same work in 15 days. In how many days A alone can do the work? A तथा B मिलकर किसी कार्य को 20 दिन में कर सकते हैं | B तथा C मिलकर उसी कार्य को 25 दिन में कर सकते हैं | C तथा A मिलकर उसी कार्य को 15 दिन में कर सकते हैं | A अकेला उस कार्य को कितने दिनों में कर सकता है?

A can do a work alone in 20 days. A and B together can do the same work in 15 days. B and C together can do the same work in 752 days. What is the ratio of efficiency of A, B and C in terms of working? A किसी कार्य को अकेला 20 दिनों में कर सकता है | A तथा B मिलकर उसी कार्य को 15 दिनों में कर सकते हैं |B तथा C मिलकर उसी कार्य को 75/2 दिनों में कर सकते हैं | कार्य करने की दृष्टि से A, B तथा C की दक्षता का अनुपात कितना है?

X can do a work alone in 15 days. Y can do the same work in 30 days alone. X, Y and Z together can do that work in 9 days. In how many days Z alone can do that work? X किसी कार्य को अकेला 15 दिन में कर सकता है |Y उसी कार्य को अकेला 30 दिन में कर सकता है | X, Y तथा Z एक साथ मिलकर उस कार्य को 9 दिन में कर सकते हैं | Z उस कार्य को अकेला कितने दिन में कर सकता है?

A and B can do a piece of work in 36 days, B and C can do the same work in 60 days. A and C can do the same work in 45 days. In how many days can B alone complete the same work? A और B एक कार्य 36 दिनों में कर सकते हैं, B और C उसी कार्य को 60 दिनों में कर सकते हैं। A और C उसी कार्य को 45 दिनों में कर सकते हैं। B अकेले कितने दिनों में कार्य पूरा कर सकता है?

A can do (1)/(10) th of a piece of work in a day. B can do the same work in 15 days. In how many days can they do the same work, working together?

PINNACLE-WORK AND TIME-EXERCISE
  1. A can do a piece of work alone in 8 days. B can do the same work alone...

    Text Solution

    |

  2. A, B and C, working alone can do a piece of work in 15, 30 and 75 days...

    Text Solution

    |

  3. A can do a piece of work alone in 10 days. A and B together can do the...

    Text Solution

    |

  4. 10 men can complete a work in 30 days by working for 8 hours per day. ...

    Text Solution

    |

  5. A, B and C can complete a work alone - in 12, 24 and 36 days respectiv...

    Text Solution

    |

  6. X can do a work alone in 15 days. Y can do the same work in 30 days al...

    Text Solution

    |

  7. A alone can do a work in 30 days. B alone can do the same work in 60 d...

    Text Solution

    |

  8. 5 technicians of Studio A can do a piece of work in 30 days. Studio B....

    Text Solution

    |

  9. A can do a work alone in 20 days. A and B together can do the same wor...

    Text Solution

    |

  10. Mohit is five times more efficient as Rohit. If Mohit can complete a p...

    Text Solution

    |

  11. Ravika alone can complete three-fifth of a work in 105 days. Mallika c...

    Text Solution

    |

  12. A man finish a piece of work in 15 days. A woman can complete the same...

    Text Solution

    |

  13. Samrat alone can complete a work in 10 days and Virat alone can comple...

    Text Solution

    |

  14. C and D together can make a chair in 4 days and C alone can make this ...

    Text Solution

    |

  15. If Dev can make 40 chairs in 20 days, working 10 hours per day then in...

    Text Solution

    |

  16. Piyush alone can complete a work in 8 days and Arun alone can complete...

    Text Solution

    |

  17. E, F and G together can complete a work in 12 days. If E and F togethe...

    Text Solution

    |

  18. Vishal alone can complete 1/3 part of a work in 60 days and Ashok alon...

    Text Solution

    |

  19. Anil can make 20 bags in 4 days and Manoj can make 10 bags in 5 days. ...

    Text Solution

    |

  20. N and K together can complete a work in 240 days, K and G together can...

    Text Solution

    |