Home
Class 7
MATHS
A plot of land in the form of a recta...

A plot of land in the form of a rectangle has a dimension `240 m\ x\ 180 m` . A drainlet `10 m` wide is dug all around it (on the outside) and the earth dug out is evenly spread over the plot, increasing its surface level by `25\ c mdot` Find the depth of the drainlet.

Text Solution

Verified by Experts

The correct Answer is:
`1.227 m`
Promotional Banner

Topper's Solved these Questions

  • VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK - 23|30 Videos

  • VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET - 23|10 Videos

  • TRIANGLES

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet - 18|10 Videos

Similar Questions

Explore conceptually related problems

A plot of land in the form of a rectangle has a dimension 240mx180m .A drainlet 10m wide is dug all around it (on the outside) and the earth dug out is evenly spread over the plot,increasing its surface level by 25cm. Find the depth of the drainlet.

A plot of land in the form of a rectangle has a dimension 240m xx180m. A drain 10m wide is dug all around it (on the outside) and the earth dug out is evenly spread outside) and the earth increasing its surface level by 25cm. Find the depth of the drain let.

A rectangular grassy plot is 110 m xx 65m. It has a uniform path 2.5 m wide all around it on the inside . The area of the path is

An agriculture field is in the form of a rectangle of length 20m width 14m.A10m deep well of diameter 7m is dug in a corner of the field and the earth taken out of the well is spread evenly over the remaining part of the field.Find the rise in its level.

A rectangular grassy plot is 110 m by 65 m. It has a uniform path 2.5 m wide all around it on the inside. The area of the path is

A field is in the form of a rectangle of length 18m and width 15m. A pit,7.5m long,6m broad and 0.8m deep,is dug in a corner of the field and the earth taken out is spread over the remaining area of the field.Find cut the extent to which the level of the field has been raised.

S CHAND IIT JEE FOUNDATION-VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID-UNIT TEST - 5
  1. A plot of land in the form of a rectangle has a dimension 240 m\ x\...

    Text Solution

    |

  2. If the longer side of a rectangle is doubled and the other is reduced ...

    Text Solution

    |

  3. The wheel of a cycle covers 660 metres by making 500 revolutions. What...

    Text Solution

    |

  4. A village having a population of 4000 requires 150 litres of water per...

    Text Solution

    |

  5. In exchange of a square plot one of whose sides is 84m, a man wants...

    Text Solution

    |

  6. What will be the perimeter of a rectangle if its length is 3 times its...

    Text Solution

    |

  7. The area of a circle drawn with its diameter as the diagonal of a cube...

    Text Solution

    |

  8. The perimeter of an equilateral triangle and a square are same, then (...

    Text Solution

    |

  9. The quadrants shown in the figure .given here are each of diameter 12 ...

    Text Solution

    |

  10. A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It...

    Text Solution

    |

  11. A wooden box measures 20 cm by 10 cm by 9 cm. Thickness of wood is 1 c...

    Text Solution

    |

  12. Front side wall of a house consists of a rectangle of 6 m xx 4 m surro...

    Text Solution

    |

  13. If the sum of diagonals of a rhombus is 10 cm and its area is 12 cm^2,...

    Text Solution

    |

  14. Four equal sized maximum circular plates are cut off from a square ...

    Text Solution

    |

  15. The area of the given figure ABCDEF is :

    Text Solution

    |

  16. The volume of a cube of 60 cm side is the same as that of a cuboid one...

    Text Solution

    |

  17. The area of a square and a rectangular field is equal and is 900 m^2. ...

    Text Solution

    |

  18. The sum of length, breadth and height of a cuboid is 12 cm long and it...

    Text Solution

    |

  19. The sum of length, breadth and height of a room is 19 m. The length of...

    Text Solution

    |

  20. Three cubes of metal whose edges are in the ratio 3:4:5 are melted ...

    Text Solution

    |

  21. ABCD is a parallelogram with sides AB = 12 cm, BC= 10 cm and diagonal ...

    Text Solution

    |