Multiple Choice Questions on Calculate the number of bricks each measuring 25 cm x 15 cm x 8 cm required to construct a wall of d........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Calculate the number of bricks each measuring 25 cm x 15 cm x 8 cm required to construct a wall of d...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 cm x 6 m when 10% of its volume is occupied by mortar  ?

    620

    Incorrect Answer

    720

    Correct Answer

    820

    Incorrect Answer

    920

    Incorrect Answer
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    Explanation:

    Let the number of bricks be 'N'
    10 x 4/100 x 6 x 90/100 = 25/100 x 15/100 x 8/100 x N
    10 x 4 x 6 x 90 = 15 x 2 x N => N = 720.

    By: MIRZA SADDAM HUSSAIN
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