Home
Class 8
MATHS
The floor of a building consists of 3000...

The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per `m^2` is Rs 4.

Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    MBD|Exercise EXERCISE|55 Videos
  • LINEAR EQUATIONS IN ONE VARIABLE.

    MBD|Exercise EXAMPLE|140 Videos
  • PLAYING WITH NUMBERS

    MBD|Exercise EXERCISE|17 Videos

Similar Questions

Explore conceptually related problems

A floral design on a floor is made up of 16 tiles which are triangular , the sides of the triangle being 9 cm , 28 cm and 35 cm (See figure). Find the cost of polishing the tiles at the rate of 50 p per cm^(2) .

A cylindrical pillar is 50 cm in diameter and 3.5 m high. Find the cost of white washing its curved surface at the rate of Rs 40 per m^2 .

The slant height and base diameter of a conical tomb are 25 m and 14 m, respectively. Find the cost of whitewashing its curved surface at the rate of Rs 210 per 100 m^2 .

The slant height and base diameter of a conical tomb are 25 m and 14 m, respectively. Find the cost of whitewashing its curved surface at the rate of Rs 210 per 100 m^2 .

A floral design on a floor of 16 tiles, each triangular in shae having sides 16 cm, 12 cm and 20 cm. Find te cost of polishing the tiles at Rs 2 per sq. cm.

In a building there are 24 cylindrical pillars. The radius of each pillar is 28 cm and height is 4 m. Find the total cost of painting the curved surface area of all pillars at the rate of Rs 8 per m^2 .

MBD-MENSURATION-EXERCISE
  1. The floor of a building consists of 3000 tiles which are rhombus shape...

    Text Solution

    |

  2. Find the area of a parallelogram whose base is 20 cm and the correspo...

    Text Solution

    |

  3. Find the base of parallelogram whose are is 400 cm^2 and whose height...

    Text Solution

    |

  4. Find the height of a triangle whose base is 60 cm and whose are is 600...

    Text Solution

    |

  5. Find the area of an equilateral triangle of sides8 dm each.

    Text Solution

    |

  6. Find the base of a parallelogram,whicvh has an area of 840 cm^2 and no...

    Text Solution

    |

  7. A garden is 30 m long and 25 m broad.A path 5 m wide is to be built ou...

    Text Solution

    |

  8. A verandah 1 m wide is constructed all along the outside of a room 5 m...

    Text Solution

    |

  9. A verandah 1 m wide is constructed all along the outside of a room 5 m...

    Text Solution

    |

  10. The diagonals of a rhombus are 15 cm and 20 cm.What is its area?

    Text Solution

    |

  11. A diagonal of a quadrilateral is 28.4 m long.The perpendiculars to the...

    Text Solution

    |

  12. The area of a trapezium is 35 cm^2 and one base and altitude ae 5 cm a...

    Text Solution

    |

  13. Nazma owns a plot near a main road. Unlike some other rectgangular plt...

    Text Solution

    |

  14. Find the area of quadrilateral PQRS shown in Fig 11.11.

    Text Solution

    |

  15. Find the area of a rhombus whose diagonals are of lengths 10 cm and 8....

    Text Solution

    |

  16. The area of a trapezium shaped field is 480 m^2 , the distance between...

    Text Solution

    |

  17. The area of a rhombus is 240 cm^2 and one of the diagonals is 16 cm. ...

    Text Solution

    |

  18. There is a hexagon MNOPQR of side 5 cm (Fig 11.20). Aman and Ridhima d...

    Text Solution

    |

  19. Find the surface are of the cuboid whose dimensions are 40 cm xx 25 cm...

    Text Solution

    |

  20. A cuboidal oil tin is 50 cm by 30 cm by 40 cm.Find the cost of the tin...

    Text Solution

    |

  21. Find the ost of painting 12 pillars each of dimeter 48 cm and height 7...

    Text Solution

    |