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    Question

    A circular racing track has been developed in a field.

    If the difference between the outer circumference and the inner circumference of the racing track is 33 m, then find the width of the track (in m). (Use π = 22/7)
    A 5(1/4) Correct Answer Incorrect Answer
    B 5(3/4) Correct Answer Incorrect Answer
    C 5(1/4) Correct Answer Incorrect Answer
    D 4(3/4) Correct Answer Incorrect Answer

    Solution

    Let the Width of the track =r₁ – r₂. Difference between the outer circumference and the inner circumference=33m. 2πr  – 2π r₂ = 33m 2π(r₁ – r₂) = 33 (r₁ – r₂) =21/4 =5(1/4).

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