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    Question

    A solid spherical ball of radius 10.5 cm is melted and cast

    into cuboids, each having dimensions 3.5 cm × 3 cm × 2 cm. Find how many such cuboids are formed.
    A 133 Correct Answer Incorrect Answer
    B 154 Correct Answer Incorrect Answer
    C 188 Correct Answer Incorrect Answer
    D 144 Correct Answer Incorrect Answer

    Solution

    ATQ,

    (4/3) × (22/7) × 10.5 × 10.5 × 10.5 = n × 3.5 × 3 × 2

    => n = 154

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