๐Ÿ“ข Too many exams? Donโ€™t know which one suits you best? Book Your Free Expert ๐Ÿ‘‰ call Now!


    Question

    If the radius of a circle is given up to 19 times, how

    much of its perimeter will be the perimeter of the previous perimeter?
    A 20 Correct Answer Incorrect Answer
    B 19 Correct Answer Incorrect Answer
    C 21 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    Let the radius of the circle be r cm. Circumference of the circle = 2 ฯ€r The new radius of the circle = 19 r New circumference of the circle = 2 ฯ€ ร— 19r = 38 ฯ€r Required answer = 38 ฯ€r/2 ฯ€r = 19 (times)

    Practice Next
    More Previous year papers Questions
    ask-question