Multiple Choice Questions on Two cubes each of edge 10 cm are joined to form single cuboid What is the surface area of the new cu........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two cubes each of edge 10 cm are joined to form single cuboid What is the surface area of the new cu...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    Two cubes, each of edge 10 cm, are joined to form single cuboid. What is the surface area of the new cuboid so formed?

    1000 cm2

    Correct Answer

    1100 cm2

    Incorrect Answer

    1200 cm2

    Incorrect Answer

    1300 cm2

    Incorrect Answer
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    Explanation:

    Here length of cuboid = 20 cm.
    Breadth and height of cuboid = 10 cm.
    ∴TSA = 2(L*B + B*H + H*L)
    surface area = 2(200 + 100 + 200) = 1000 cm2

    By: MIRZA SADDAM HUSSAIN
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