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

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

Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    MODERN PUBLICATION|Exercise EXERCISE|228 Videos

  • STATISTICS

    MODERN PUBLICATION|Exercise EXERCISE|239 Videos

  • TRIANGLES

    MODERN PUBLICATION|Exercise EXERCISE|98 Videos

Similar Questions

Explore conceptually related problems

The perimeter of a rectangle is 13 cm and its width is 2(3)/4 cm. Find its length.

The length of a rectangle is 7.1 cm and its breadth is 2.5 cm. What is the area of the rectangle?

There are 64 equal squares in the chess board and every Square has area 6.25 cm2. There is a border of width 2 cm at each of its four sides. Find the length of the side of chess board.

The area of a square and a rectangle are equal. If the side of the square is 40 cm and the breadth of the rectangle is 25 cm, find the length of the rectangle. Also, find the perimeter of the rectangle.

A wire loaded by a weight of density 7.6 g cm^-3 is found to be of length 90 cm. On immersing the weight in water, the length decreased by 0.18 cm. Find the original length of the wire.

An iron pillar consists of a cylindricla portion 2.8 m high and 20 m in diamter and a cone 42 cm. high is surmounting it. Find the weight of the pillar, given that 1cm^3 of iron weights 7.5 g.

Find the length of a wooden plank of width 2.5 m, thickness 0.025m and volume 0.25 m^3 .

MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
  1. How many planks of dimensions (5mxx25cmxx10cm) can be stored in a pit ...

    Text Solution

    |

  2. How many bricks will be required to construct a wall 12 m three smalle...

    Text Solution

    |

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

    Text Solution

    |

  4. A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour...

    Text Solution

    |

  5. How many persons can be accommondatd in a dining hall of dimensions (2...

    Text Solution

    |

  6. The volumes of a cuboid is 1536cm^2. Its length is 16 m and its breadt...

    Text Solution

    |

  7. In a shower, 5 cm of rain falls, find the volume of water that falls o...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. A rectangular tank is 80 m long and 25 m braod water flows into it thr...

    Text Solution

    |

  11. Find the curved surface area of a right circular cylinder at height 21...

    Text Solution

    |

  12. The diameter of a cylinder is 28 cm and its height is 40 cm. find the ...

    Text Solution

    |

  13. A solid cylinder has total surface area of 462 cm^2. Its curved surfac...

    Text Solution

    |

  14. Find the ratio between the total surface area of a cylinder to its cur...

    Text Solution

    |

  15. The total surface area of a hollow metal cylinder, open at both ends, ...

    Text Solution

    |

  16. The diameter of a roller 1.5 m long is 84 cm. If it takes 100 revoluti...

    Text Solution

    |

  17. A cylindrical vessel, without lid, has to be tin-coated on its both si...

    Text Solution

    |

  18. 50 circular plates each of radius 7 cm and 1 thickness 1/2 cm are plac...

    Text Solution

    |

  19. The area of the curved surface of a cylinder is 4400 sq.cm and the cir...

    Text Solution

    |

  20. Forty cylindrical pillars of the building are to be cleaned. If the di...

    Text Solution

    |