Home
Class 14
MATHS
P alone and Q alone can do a piece of wo...

P alone and Q alone can do a piece of work in x and `(3x)/(2)` days respectively, if they both work alternatively starting with Q then the work will be complete in 30 days. Find in how many days Q alone can complete the work?

A

A)32.5 days

B

B)37.5 days

C

C)38.5 days

D

D)36.5 days

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME AND WORK & PIPE AND CISTERN

    ADDA247|Exercise MAINS QUESTIONS |55 Videos

  • TIME AND WORK & PIPE AND CISTERN

    ADDA247|Exercise PREVIOUS YEAR QUESTIONS |32 Videos

  • TIME AND WORK & PIPE AND CISTERN

    ADDA247|Exercise PRELIMS QUESTIONS (LEVEL - 1) |40 Videos

  • SPEED, TIME AND DISTANCE

    ADDA247|Exercise Previous Year Questions|31 Videos
ADDA247-TIME AND WORK & PIPE AND CISTERN -PRELIMS QUESTIONS (LEVEL - 2)
  1. Manish and Suresh can do a task A in 48 days and 60 days respectively....

    Text Solution

    |

  2. P can do a work in ((1)/(4))^(th) of time in which Q alone can do and ...

    Text Solution

    |

  3. P alone and Q alone can do a piece of work in x and (3x)/(2) days resp...

    Text Solution

    |

  4. Anurag is 40% more efficient than Ayush. Ayush, Anurag and Shivam work...

    Text Solution

    |

  5. Neha who is 50% more efficient than Ritu who take double time than Pri...

    Text Solution

    |

  6. A, B and C can do a piece of work in 20 days, 10 days and 15 days resp...

    Text Solution

    |

  7. Working efficiency of 'A' is twice than that of 'B'.'A' and 'B' togeth...

    Text Solution

    |

  8. 7 men and 6 women together can complete a piece of work in 8 days and ...

    Text Solution

    |

  9. Deepak is 30% less efficient than Dharam and Dharam take 9 days less t...

    Text Solution

    |

  10. B is 40% less efficient than A and efficiency of C is (1)/(4)th the ef...

    Text Solution

    |

  11. If pipe A alone and Pipe B alone can fill a tank in 20 min and 30 min ...

    Text Solution

    |

  12. Pipe A, B and C can fill a cistern in 15 minutes, 24 minutes and 36 mi...

    Text Solution

    |

  13. A pipe can fill a cistern in 15 min and another pipe can fill the same...

    Text Solution

    |

  14. Two pipes A and B can fill a cistern in 12 hours and 8 hours respectiv...

    Text Solution

    |

  15. A and B working together can do a piece of work in 24 days, B and C wo...

    Text Solution

    |

  16. Three persons A, B and C together undertake to complete a piece of wor...

    Text Solution

    |

  17. A does 66(2)/(3)% of work in 8 days and is replaced by B and B complet...

    Text Solution

    |

  18. A and B working together can do a piece of work in 24 days, B and C wo...

    Text Solution

    |

  19. Three persons A, B and C together undertake to complete a piece of wor...

    Text Solution

    |

  20. A does 66(2)/(3)% of work in 8 days and is replaced by B and B complet...

    Text Solution

    |