Question

    A large metallic sphere of radius 21 cm is melted and used

    to make small cuboidal bars of dimensions 7 cm × 6 cm × 3 cm. Find the number of bars that can be produced.
    A 53 Correct Answer Incorrect Answer
    B 64 Correct Answer Incorrect Answer
    C 88 Correct Answer Incorrect Answer
    D 98 Correct Answer Incorrect Answer

    Solution

    ATQ,

    ((4/3) × (22/7) × 21 × 21 × 21 = n × 7 × 6 × 3

    => n = 98

    Practice Next