Home
Class 9
MATHS
Given that 1 cubic cm of marble weigh...

Given that 1 cubic cm of marble weighs 0.25 kg, the weight of marble block 28cm in width and 5cm thick is 112kg. Find the length of the block.

Text Solution

Verified by Experts

Let the length of the block be l
Given, height of `1cm^3` of marble = 0.25 kg
Height of marble block which is 25cm in width and 5cm thick =112 kg
`lxx28xx5xx0.25=112`
`l=112/(28xx5xx0.25)`
`l=3.2 cm`
Promotional Banner

Topper's Solved these Questions

  • RATIONALISATION

    RD SHARMA|Exercise All Questions|130 Videos

  • SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER

    RD SHARMA|Exercise All Questions|133 Videos

Similar Questions

Explore conceptually related problems

Two boys weigh 25 kg and 20 kg. Find the ratio of their weights.

A wooden block of dimensions 10cmxx20cmxx50cm weighs 6-5 kg Calculate the density of the block.

A cubical block of water is dipped completely in water. Each edge of the block is 1 cm is length. Find the bouyant force acting on the block.

A cube of side length 3cm weighs 12kg .What is the weight of similar cube of same material whose side length is 12cm?

A rectangular marble stone 28cm wide and 5cm thick weighs 112kg. If 1 cubic cm of marble weighs 25gm, then the length of given stone is

The pressure exerted by the weight of a cubical block of a side 3 cm on the surfaces 5 Pa. What will be the weight (or force) of the block?

The external length, breadth and height of a closed rectangular wooden box are 18cm, 10cm and 6cm respectively and thickness of wood is 1/2c mdot When the box is empty, it weight 15kg and when filled with sand it weighs 100kg. Find the weight of one cubic cm of weed and cubic cm of sand.

RD SHARMA-SURFACE AREA AND VOLUME OF A CUBOID AND CUBE-All Questions
  1. A metal cube of edge 12cm is melted and formed into three smaller c...

    Text Solution

    |

  2. The dimensions of a cinema hall are 100m, 50m and 18m. How many per...

    Text Solution

    |

  3. Given that 1 cubic cm of marble weighs 0.25 kg, the weight of marbl...

    Text Solution

    |

  4. A box with lid is made of 2cm thick wood. Its external length, brea...

    Text Solution

    |

  5. The external dimensions of a closed wooden box are 48cm, 36cm, 30cm...

    Text Solution

    |

  6. How many cubic centimetres of iron are there in an open box whose e...

    Text Solution

    |

  7. A cub of 9\ c m edge is immersed completely in a rectangular vessel...

    Text Solution

    |

  8. A rectangular container, whose base is a square of side 5cm, stands...

    Text Solution

    |

  9. A field is 200m long and 150m broad. There is a plot, 50m long and ...

    Text Solution

    |

  10. A field is in the form of a rectangle of length 18m and width 15m. ...

    Text Solution

    |

  11. A rectangular tank is 80m long and 25m broad. Water flows into it t...

    Text Solution

    |

  12. Water in a rectangular reservoir having base 80m by 60m is 6.5m dee...

    Text Solution

    |

  13. A village, having a population of 4000, requires 150 litres of wate...

    Text Solution

    |

  14. A child playing with building blocks, which are of the shape of the...

    Text Solution

    |

  15. A godwon measures 40 m xx25 mxx 10 m . Find the maximum number of ...

    Text Solution

    |

  16. A wall of length 10m was to be build across an open ground. The hei...

    Text Solution

    |

  17. If two cubes each of side 6cm are joined face to face, then find th...

    Text Solution

    |

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

    Text Solution

    |

  19. Find the edge of a cube whose surface area is 432\ m^2

    Text Solution

    |

  20. A cuboid has total surface area of 372\ c m^2 and its lateral su...

    Text Solution

    |