Home
Class 8
MATHS
The dimensions of a metal block are 2.25...

The dimensions of a metal block are 2.25m by 1.5m by 27cm. It is melted and recast into cubes, each of the side 45cm. How many cubes are formed?

Text Solution

Verified by Experts

The correct Answer is:
10
Promotional Banner

Topper's Solved these Questions

  • VOLUME AND SURFACE AREA OF SOLIDS

    RS AGGARWAL|Exercise EXERCISE 20 B|21 Videos
  • VOLUME AND SURFACE AREA OF SOLIDS

    RS AGGARWAL|Exercise EXERCISE 20 C OBJECTIVE QUESTIONS|29 Videos
  • VOLUME AND SURFACE AREA OF SOLIDS

    RS AGGARWAL|Exercise TEST PAPER -20|16 Videos
  • TIME AND WORK

    RS AGGARWAL|Exercise TEST PAPER -13 ( Fill in the blanks )|4 Videos

Similar Questions

Explore conceptually related problems

The dimensions of a metal block are 120cm times90cm times75cm .It is melted and recast into cubes of edge 30 cm How many cubes will be formed?

A balll of diameter 21 cm is melted and recast into cubes, each of side 1 cm. Find the number of cubes so formed.

The dimensions of a metallic cuboid are: 100\ c mxx80xx64\ c m . It is melted and recast into a cube. Find the surface area of the cube.

A cylinder of radius 14 cm and height 5 cm is melted and recast into cubes of edge length 2 cm. How many identical cubes will be obtained?

The dimensions of a piece of iron in the shape of a cuboid are 270cm xx100cm xx64cm .If it is melted and recast into a cube,then the surface area of the cube will be (a) 14400cm2 (b) 44200cm2 (c) 57600cm2 (d) 86400cm2

A metallic cylinder of diameter 16 cm and height 9 cm is melted and recast in to sphere of diameter 6cm .How many such spheres can be formed?

A sphere of radius 6cm is melted and recast into spheres of radius 2cm each. How many such spheres can be made?

A solid metallic sphere of radius 4 cm is melted and recast into '4' identical cubes. What is the side of the cube?

A solid metallic sphere of radius 4 cm is melted and recast into '4' identical cubes. What is the side of the cube?

RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-EXERCISE 20 A
  1. Find the capacity of a rectangula cistern in litres whose dimensions a...

    Text Solution

    |

  2. The volume of a block of gold is 0.5 m^3. If it is hammered into a she...

    Text Solution

    |

  3. In a shower , 5 cm of rain falls . The volume of the water that falls ...

    Text Solution

    |

  4. If a river of depthness 2 metres and breadth 45 metress, flowrs at a s...

    Text Solution

    |

  5. A pit 5 m long and 3.5 m wide is dug to a certain depth. If the volume...

    Text Solution

    |

  6. A rectangular water tank is 90 cm wide and 40 cm deep. If it can conta...

    Text Solution

    |

  7. A beam, of wood is 5 m long and 36 cm thick. It is made of 1.35m^(3) o...

    Text Solution

    |

  8. The volume of a room is 378m^(3) and the area of its floor is 84m^(2)....

    Text Solution

    |

  9. A swimming pool is 260 m long and 140 m wide. If 54600 cubic metres of...

    Text Solution

    |

  10. Find the volume of wood used to make a closed box of outer dimensionis...

    Text Solution

    |

  11. Find the volume of iron required to make an open box whose external di...

    Text Solution

    |

  12. A box with a lid is made of wood which is 3 cm thick. Its external len...

    Text Solution

    |

  13. The external dimensions of a closed wooden box are 62 cm, 30 cm and 18...

    Text Solution

    |

  14. An open wooden box 80 cm long, 65 cm wide and 45 cm high, is made of 2...

    Text Solution

    |

  15. Find the volume, lateral surface area and the total surface area of a ...

    Text Solution

    |

  16. The total surface area of a cube is 1176 cm^(2). Find its volume

    Text Solution

    |

  17. If the volume of a cube is 729 cm^3,then its surface area will be:

    Text Solution

    |

  18. The dimensions of a metal block are 2.25m by 1.5m by 27cm. It is me...

    Text Solution

    |

  19. If each edge of a cube is doubled, (i) how many times will its s...

    Text Solution

    |

  20. A solid cubical block of fine wood costs Rs. 256 at Rs. 500 per m^2. F...

    Text Solution

    |