Multiple Choice Questions on The diameter of the base of a cone is 6 cm and its altitude is 4 cm What is the approximate curved s........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The diameter of the base of a cone is 6 cm and its altitude is 4 cm What is the approximate curved s...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    The diameter of the base of a cone is 6 cm and its altitude is 4 cm. What is the approximate curved surface area of the cone ?

    45 cm2

    Incorrect Answer

    47 cm2

    Correct Answer

    49 cm2

    Incorrect Answer

    51 cm2

    Incorrect Answer
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    Explanation:

    Given that, height of cone (h) = 4 cm
    And, diameter of cone = 6 cm
    ∴  radius of cone (r) = 3 cm
    Now, Curved surface area = πrl

    By: Amit Kumar
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