Home
Class 8
MATHS
3 men and 4 boys can complete a certain ...

3 men and 4 boys can complete a certain amount of work in 28 days, whereas 4 men and 6 boys can complete the same work in 20 days. Find :
The number of days required by 7 men and 6 boys to complete the same work.

Text Solution

Verified by Experts

The correct Answer is:
2 boys
Promotional Banner

Topper's Solved these Questions

  • DIRECT AND INVERSE VARIATIONS

    ICSE|Exercise EXERCISE 10 (A) |13 Videos

  • DIRECT AND INVERSE VARIATIONS

    ICSE|Exercise EXERCISE 10 (B)|11 Videos

  • DATA HANDLING

    ICSE|Exercise EXERCISE 22 (B) |10 Videos

  • EXPONENTS (POWERS)

    ICSE|Exercise EXERCISE 2(B)|50 Videos

Similar Questions

Explore conceptually related problems

A particular work can be completed by 6 men and 6 women in 24 days, whereas the same work can be completed by 8 men and 12 women in 15 days. Find : The time taken by 4 men and 6 women to complete the same work.

If 12 men or 18 women can complete a piece of work in 7 days, in how many days can 4 men and 8 women complete the same work ?

3 men and 4 boys can do a piece of work in 14 days, while 4 men and 6 boys can do it in 10 days. How long would it take 1 boy to finish the work?

6 men and 8 boys can do a piece of work in 7 days, while 8 men and 12 boys do the same work in 5 days. How long would it take one boy to finish the same work?

2 men or 3 women can do a piece of work in 45 days. Find, in how many days will 6 men and 1 woman be able to complete the same work ?

If 15 men can complete a piece of work in 30 days, in how many days will 18 men complete it ?

A can do (1)/(4) of a work in 5 days and B can do (1)/(3) of the same work in 10 days. Find the number of days in which both working together will complete the work.

36 men can do a piece of work in 7 days. How many men will do the same work in 42 days ?

If 3 men or 6 boys can finish a work in 20 days, how long will 4 men and 12 boys take to finish the same work ?

If 12 men and 16 boys can do a piece of work in 5 days and, 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it ?

ICSE-DIRECT AND INVERSE VARIATIONS-EXERCISE 10 (E)
  1. 3 men and 4 boys can complete a certain amount of work in 28 days, whe...

    Text Solution

    |

  2. A can do a piece of work in 10 days and B in 15 days. How long will th...

    Text Solution

    |

  3. A and B together can do a piece of work in 6(2)/(3) days, but B along ...

    Text Solution

    |

  4. A can do a work in 15 days and B in 20 days. If they work together on ...

    Text Solution

    |

  5. A, B and C can do a piece of work in 6 days, 12 days and 24 days resp...

    Text Solution

    |

  6. A and B working together can mow a field in 56 days and with the help ...

    Text Solution

    |

  7. A can do a piece of work in 24 days, A and B can do it in 16 days and ...

    Text Solution

    |

  8. A can do a piece of work in 20 days and B in 15 days. They worked toge...

    Text Solution

    |

  9. A can finish a piece of work in 15 days and B can do it in 10 days. Th...

    Text Solution

    |

  10. A can do a piece of work in 10 days, B in 18 days and A, B and C toget...

    Text Solution

    |

  11. A can do (1)/(4) of a work in 5 days and B can do (1)/(3) of the same ...

    Text Solution

    |

  12. One tap can fill a cistern in 3 hours and the waste pipe can empty the...

    Text Solution

    |

  13. A and B can do a work in 8 days, B and C in 12 days, and A and C in 16...

    Text Solution

    |

  14. A and B complete a piece of work in 24 days, B and C do the same work ...

    Text Solution

    |

  15. A and B complete a piece of work in 24 days, B and C do the same work ...

    Text Solution

    |

  16. A and B complete a piece of work in 24 days, B and C do the same work ...

    Text Solution

    |

  17. A and B can do a piece of work in 40 days, B and C in 30 days, and C a...

    Text Solution

    |

  18. A and B can do a piece of work in 40 days, B and C in 30 days, and C a...

    Text Solution

    |

  19. A can do a piece of work in 10 days, B in 12 days and C in 15 days. Al...

    Text Solution

    |

  20. Two pipes P and Q would fill an empty cistern in 24 minutes and 32 min...

    Text Solution

    |