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How many bricks each 25 cm …

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How many bricks each 25 cm by 15 cm by 8 cm, are required for a wall 32 m long, 3 m high and 40 cm thick?

    • Posted by Tanushree Jaiswal 3 years, 11 months ago

    CBSE > Class 08 > Mathematics
    • 4 answers

    Sia ? 3 years, 11 months ago

    length of the wall=32m=3200cm, length of one brick=25cm.
    therefore. Length -wise ,the no. of bricks required = 3200÷25 = 128

    Similarly, height-wise, no. of bricks required=300÷15=20

    Thickness-wise, no. of bricks required=40÷8=5

    therefore . The bricks can be arranged in 128 layers , each containing 20 rows of bricks with 5 bricks in each row.

    therefore. The no. of bricks required=120×20×5=12800.

    1Thank You

    Smriti Gupta 3 years, 11 months ago

    1280

    0Thank You

    Prabhat Kumar 3 years, 11 months ago

    Length of Brick = 25cm Breadth of Brick = 15 cm Height of Brick = 8 cm Volume of cuboidal Brick = lxbxh = 25cm x 15cm x 8cm = 3000 cm³ Length of wall = 32 m = 3200 cm Breath of wall = 3 m = 300 cm Height of wall =40cm Volume of wall = lxbxh = 3200cmx300 cm x 40cm = 3840000 cm³ No.of Brick = volume of wall / volume of 1 brick =3840000 cm³/3000 cm³ = 1280 Bricks Answer.

    2Thank You

    Anshuman Jha 3 years, 11 months ago

    12800

    1Thank You

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