Home
Class 9
MATHS
Find the number of bricks, each measu...

Find the number of bricks, each measuring `25 c m\ x\ 12. 5 c m\ x\ 7. 5 c m` required to construct a wall `6\ m\ ` long, `5\ m` high and `0. 5\ m` thick, while the cement and sand mixture occupies `1/(20)` of the volume of the wall.

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    RD SHARMA ENGLISH|Exercise All Questions|3 Videos
  • SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER

    RD SHARMA ENGLISH|Exercise All Questions|133 Videos

Similar Questions

Explore conceptually related problems

Find the number of bricks, each measuring 25 cm, 12.5 cm and 7.5 cm required to construct a wall 6 m long , 5 m high and 50 cm thick, while the cement and sand mixture occupies 1/20 th of the volume of the wall.

How many bricks of size 22 c m\ xx\ 10 c m\ xx\ 7c m are required to construct a wall 33m long, 3.5m high and 40cm thick, if cement and sand used in the construction occupy 1/(10)t h\ part of the wall?

How many bricks each of size 25 c m\ xx\ 10 c m\ xx\ 8c m will be required to build a wall 5m long, 3m high and 16cm thick, assuming that the volume of sand and cement used in the construction is negligible?

A marble tile measures 15 c m\ xx\ 20 c mdot How many tiles will be required to cover a wall of size 4m\ xx\ 6m ?

How many bricks will be required for constructing a wall which is 16 cm long . 3 m high and 22.5 cm thick , if each bricks measures 25 cm xx 11.25 cm xx 6 cm ?

A match box measure 4\ c m\ x\ 2. 5\ c m\ x\ 1. 5\ c m . What will be the volume of a packet containing 12 such boxes?

Find the volume of a cuboid which is 15 m long, 12 m wide and 4.5 m high.

A wall 24 m long, 5 m high and 0-25 m thick is to be constructed using bricks each measuring 25 cm xx 12.5 cm xx 7.5 cm. Find the number of bricks required, if 5% of the wall is occupied by cement and sand mixture.

How many bricks, (each measuring 20cm xx 16cm xx 8cm ), will be required to build a wall 30m long, 30cm thick and 5m high, with a provision of 2 doors, each measuring 2.5 m xx 1.2m . It is given that one-ninth of the wall is occupied by the cement and the sand mixture.

Find the number of bricks required to construct a wall of dimensions 3 m xx 1.5 m xx 0.4 m , if the dimension of a brick is 30 cm xx 15 cm xx 8 cm .

RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A CUBOID AND CUBE-All Questions
  1. The length of a hall is 20m and width 16m. The sum of the areas of th...

    Text Solution

    |

  2. The sum of length, breadth and depth of a cuboid is 19 c m and the len...

    Text Solution

    |

  3. Find the number of bricks, each measuring 25 c m\ x\ 12. 5 c m\ x\ ...

    Text Solution

    |

  4. The length of a room is one and a half times its breadth. The cost ...

    Text Solution

    |

  5. Shanti Sweets Stall was placing an order for making cardboard boxes...

    Text Solution

    |

  6. An agricultural field is in the form of a rectangle of length 20 m ...

    Text Solution

    |

  7. Water in a canal , 30 dm wide and 12 dm deep , is flowing with a veloc...

    Text Solution

    |

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

    Text Solution

    |

  9. A cube of 9cm edge is immersed completely in a rectangular vessel ...

    Text Solution

    |

  10. Find the surface area of a chalk box whose length, breadth and heig...

    Text Solution

    |

  11. Find the surface area of a cube whose edge is 11\ c m

    Text Solution

    |

  12. The dimensions of a cuboid are in the ratio of 1:2: 3. So, let the ...

    Text Solution

    |

  13. A cubical box has each edge 10 c m and another cuboidal box is 12....

    Text Solution

    |

  14. Three cubes each of side 5c m are joined end to end. Find the su...

    Text Solution

    |

  15. A small indoor greenhouse (herbarium) is made entirely of glass pan...

    Text Solution

    |

  16. A plastic box 1. 5\ m long, 1. 25\ m wide and 65\ c m deep is to ...

    Text Solution

    |

  17. A cuboidal oil tin is 30\ c m by 40\ c m by 50\ c mdot Find the ...

    Text Solution

    |

  18. Find the area of the four walls of a room whose length is 6\ m , br...

    Text Solution

    |

  19. A swimming pools is 20\ m in length, 15\ m\ in breadth, and 4\ ...

    Text Solution

    |

  20. The floor of a rectangular hall has a perimeter of 250\ mdot Its he...

    Text Solution

    |