Home
Class 14
MATHS
A alone can do a certain job in 15 days ...

A alone can do a certain job in 15 days , while B alone can do it in 10 days . A started the work and was joined by B after 5 days. The work lasted for how many days?

A

4

B

8

C

5

D

9

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK AND TIME

    ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTION|16 Videos

  • WORK AND TIME

    ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTION|16 Videos

  • VOLUME AND SURFACE AREA

    ARIHANT SSC|Exercise FAST TRACK PRACTICE|111 Videos

  • WORK AND WAGES

    ARIHANT SSC|Exercise EXERCISE (HIGHER SKILL LEVEL QUESTIONS)|7 Videos

Similar Questions

Explore conceptually related problems

A can do a piece of work in 25 days , which B alone can do in 20 days. A staried the work and was joined by B after 10 days. The work lasted for

A can do a piece of work in 10 days while B alone can do it in 15 days . In how many days can both finish the same work?

A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in

A and B together can do a piece of work in 5 days and A alone can do it in 30 days. B alone can do the work in how many days?

A alone can do a piece of work in 10 days and B alone can do it in 15 days. In how many days will A and B together do the same work?

A and B can do a piece of work together in 15 days while A alone can do it in 25 days. They start working together but B leaves 5 days before the completion of the work. For how many days did A and B work together?

ARIHANT SSC-WORK AND TIME -EXERCISE BASE LEVEL QUESTION
  1. A man can do a piece of work in 5 days . With the help of his friend ,...

    Text Solution

    |

  2. P can do a piece of work in 12 days , while Q alone can finish it in 8...

    Text Solution

    |

  3. A alone can do a certain job in 15 days , while B alone can do it in 1...

    Text Solution

    |

  4. A mason can build a tank in 12 h. After working for 6 h, he took the h...

    Text Solution

    |

  5. A and B can do a job together in 12days . A is 2 times as efficient a...

    Text Solution

    |

  6. 16 children and 24 men complete a certain workin 18days. If each child...

    Text Solution

    |

  7. A does 20% less work than B. If A can finish a piece of work in 7(1)/(...

    Text Solution

    |

  8. A takes twice as much time as B and C take thrice as much time as B to...

    Text Solution

    |

  9. A is thrice as good a workman as B and therefore is able to finish a j...

    Text Solution

    |

  10. X can do a work in 16 days. In how many days will the work be complete...

    Text Solution

    |

  11. 10 men and 8 women together can complete a work in 5 days. Work done b...

    Text Solution

    |

  12. A takes twice the time taken by B and thrice the time taken by C to do...

    Text Solution

    |

  13. X can do 20% of a work in a day , Y can do 25% of the same work in a d...

    Text Solution

    |

  14. If one man or two women or three boys can finish a work in 88 days, th...

    Text Solution

    |

  15. When A alone does a piece of work , he takes 25 days more than the tim...

    Text Solution

    |

  16. X can do 1/4 of a work in 10 days, Y can do 40% of the same work in 40...

    Text Solution

    |

  17. Five men are working to complete a work in 1 days. After five days ...

    Text Solution

    |

  18. 4 men or 6 women or 10 children can paint a house in 5 days. The paint...

    Text Solution

    |

  19. 4 goats or 6 sheeps can graze a field in 50 days . 2 goats and 9 sheep...

    Text Solution

    |

  20. If 14 men and 12 boys can finish work in 4 days , while 8 men and 16 b...

    Text Solution

    |