Question

    How many solid spherical balls of radius 2 cm can be

    made by melting a solid hemisphere of radius 4 cm?
    A 16 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 8 Correct Answer Incorrect Answer

    Solution

    ATQ, Let n numbers of spherical balls be made = [n × (4/3)π × 23] = [(2/3)π × 43] n= 4 ∴ 4 Solid spherical balls can be made

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