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    5. A sphere of radius 21 cm is melted and recast to form ‘n’ numbers of smaller cuboids of dimensio

    Question

    A sphere of radius 21 cm is melted and recast to form

    ‘n’ numbers of smaller cuboids of dimension 21 cm × 11 cm × 7 cm. Find the value of ‘n’.
    A 7 Correct Answer Incorrect Answer
    B 21 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer

    Solution

    According to question;
    (4/3) × (22/7) × 21 × 21 × 21 = n × 21 × 11 × 7
    Or, n = 24

    Practice Next
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    • Supreme Court of India (Junior Court Assistant)

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