šŸ“¢ Too many exams? Don’t know which one suits you best? Book Your Free Expert šŸ‘‰ call Now!


    Question

    The outer radius of a hollow metallic spherical ball is

    12 cm while the thickness of the metal used to make it is 6 cm. Find the volume of the metal used in making this ball.
    A 2168Ļ€ Correct Answer Incorrect Answer
    B 2016Ļ€ Correct Answer Incorrect Answer
    C 2161Ļ€ Correct Answer Incorrect Answer
    D 2168Ļ€ Correct Answer Incorrect Answer

    Solution

    Inner radius of the ball= (12-6) =6cm Required volume= 4Ļ€/3 (12³ -6³)Ā  =4Ļ€/3(1728-216) = =4Ļ€/3 Ɨ1512=2016π 

    Practice Next
    ask-question