Home
Class 10
MATHS
If 20 men can build a wall 56 metres lon...

If 20 men can build a wall 56 metres long in 6 days what length of a similar wall can be built by 35 men in 3 days?

A

49 metres

B

36 metres

C

52 metres

D

42 metres

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Trigonometry : Concept of Measurement of Angle

    UNITED BOOK HOUSE|Exercise Exercise |24 Videos
  • VIDYASAGAR VIDYAPITH MIDNAPORE

    UNITED BOOK HOUSE|Exercise EXERCISE|54 Videos

Similar Questions

Explore conceptually related problems

2 men can cultivate 6 acres of land in 4 days . By using theory of variation , find the number of men required to cultivate 18 acres of land in 8 days.

X men can plough Y acres of land in Z days. Then the correct relation is____

If 5 men can cultivate 10 acres of land in 9 days,then by usnig theory of variation, find the number of days required to cultivate 30 acres of land by 25 men .

If 5 men can cultivate om 10 bighas of land in 9 days, calculate by theory of variation how long will be taken by 25 men for cultivating 30 bighas of land.

8 men can do a piece of work in 15 days. Find in how many days will 10 men finish the same work.

If 5 men working 6 hours a day can complete a work in 20 days , in how many day s will 15 men complete the work working 8 hours a day ?

UNITED BOOK HOUSE-Variation-Exercise
  1. If x prop y, y prop z, z prop t and t prop x where the constants of va...

    Text Solution

    |

  2. If a is inversely proportional to b and b is inversely proportion...

    Text Solution

    |

  3. If x^2 prop yz, y^2 prop zx and z^2 prop xy, then the rlation among th...

    Text Solution

    |

  4. a prop b and if b = 9 then a = 6, which of the following ratio is equa...

    Text Solution

    |

  5. If (ax + b/y) prop (cx + d/y) and a, b, c, d are non zero constants, t...

    Text Solution

    |

  6. If y is directly proportional to x and y=5 when x=2, what is the value...

    Text Solution

    |

  7. If 1/y - 1/x prop 1/x - 1/y then find the relation between x and y.

    Text Solution

    |

  8. If a prop b, b prop c, c prop d and d prop a, where the variation cons...

    Text Solution

    |

  9. If x prop 1/y and y prop 1/z then which one of the following relation ...

    Text Solution

    |

  10. If (b - c) prop bc, (c - a) prop ca and (a - b) prop ab where k,l,m ar...

    Text Solution

    |

  11. Given V prop r^3 and V = 18Pi when r = 3. Then relation between V and ...

    Text Solution

    |

  12. X men can plough Y acres of land in Z days. Then the correct relation ...

    Text Solution

    |

  13. x prop y + z, y prop z + x and z prop x + y and three variation consta...

    Text Solution

    |

  14. If 20 men can build a wall 56 metres long in 6 days what length of a s...

    Text Solution

    |

  15. 120 men had food provisions for 200 days. After 5 days, 30 men died du...

    Text Solution

    |

  16. 12 men, working 8 hours a day, complete a piece of work in 10 days. To...

    Text Solution

    |

  17. The resistance of a wire varies directly with its length and inversely...

    Text Solution

    |

  18. Given that 'w' varies directly as the product of x and y and inversely...

    Text Solution

    |

  19. The time required for an elevater to life a weight varies directly wit...

    Text Solution

    |

  20. The electic power which a transmission line can transmit is proportion...

    Text Solution

    |