Multiple Choice Questions on A right circular cylinder of diameter 7 cm and height 16 cm Find the total surface area of the cylin........... for CDS Exam Preparation

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Multiple Choice Questions

A right circular cylinder of diameter 7 cm and height 16 cm Find the total surface area of the cylin...........

Quantitative Aptitude (CDS) Mensuration 3D
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    A right circular cylinder of diameter 7 cm and height 16 cm. Find the total surface area of the cylinder? 

    405.86 cm^2

    Correct Answer

    400 cm^2

    Incorrect Answer

    300 cm^2

    Incorrect Answer

    none of these

    Incorrect Answer
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    Explanation:

    Surface area of circular part=2×prh
    =2×3.14×7/2 ×16
    =2×11×16
    =352 cm^2
    Area of bottom and top=2×3.14×49/2
    =153.86 cm^2
    Total area=352+153.86
    =405.86 cm^2

    By: bhavesh kumar singh
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