New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A circular park is having the circumference of 110m. A

    uniform path of width 3.5m has been made around the park. Find the area of this path?
    A 423.5 Correct Answer Incorrect Answer
    B 467.5 Correct Answer Incorrect Answer
    C 355.5 Correct Answer Incorrect Answer
    D 363.5 Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Radius of the park (r): 2×22/7×r = 110 => r = 35/2 Radius of park including the path = 35/2 + 7/2 = 42/2 = 21 Area of this path = 22/7 × (212  - 17.52) = 423.5

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