Multiple Choice Questions on The diameter of a sphere is 10 inches What are its volume and surface area ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

The diameter of a sphere is 10 inches What are its volume and surface area ........

Quantitative Aptitude ( CCS) Mensuration 3D
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    The diameter of a sphere is 10 inches. What are its volume and surface area?

    50, 25

    Incorrect Answer

    10π/3, 15π

    Incorrect Answer

    500π/3, 100π

    Correct Answer

    75π/2, 35π2/3

    Incorrect Answer
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    Explanation:

    The radius is half the diameter or 5 inches.
    We use r = 5 in the formulas for volume and surface area.
    Volume: V = 4/3π53 = 500π / 3 cubic inches
    Surface area: S = 4π52 = 100π square inches.

    By: MIRZA SADDAM HUSSAIN
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