ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!


    Question

    A giant circular wheel has a diameter of 49 metres. In

    how many revolutions will the wheel cover a total of 30.8 km?
    A 210 Correct Answer Incorrect Answer
    B 220 Correct Answer Incorrect Answer
    C 230 Correct Answer Incorrect Answer
    D 200 Correct Answer Incorrect Answer

    Solution

    Radius of the giant wheel = 49 ├╖ 2 = 24.5 metres Circumference of the giant wheel = 2 ├Ч ╧А ├Ч radius = 2 ├Ч (22/7) ├Ч 24.5 = 154 metres So, number of rotations to cover 30.8 km i.e. 30800 metres = 30800 ├╖ 154 = 200

    Practice Next
    More Mensuration Questions

    Relevant for Exams:

    ask-question