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    Question

    The radius of a solid metallic sphere is equal to 15

    cm. It is melted and drawn into a long wire of radius 15 mm having uniform cross-section. Find the length of the wire.
    A 2100 cm Correct Answer Incorrect Answer
    B 1900 cm Correct Answer Incorrect Answer
    C 1800 cm Correct Answer Incorrect Answer
    D 2000 cm Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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