Question

    If a wheel covers a distance of 1760 m in 80 rotations,

    then the diameter of the wheel is?
    A 3.5 m Correct Answer Incorrect Answer
    B 14 m Correct Answer Incorrect Answer
    C 7 m Correct Answer Incorrect Answer
    D 21 m Correct Answer Incorrect Answer
    E 5 m Correct Answer Incorrect Answer

    Solution

    Distance covered in 80 rotations = 1760 m Distance covered in 1 rotations = 1760/80 = 22 m Distance covered in 1 rotation = circumference of the wheel 2 x 22/7 r = 22m r = 7/2 2r (diameter) = (22 x 7)/22 = 7 m

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