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

    Question

    What is the difference between (in m2) the

    area of a circular field of radius 14 metres and area of a rectangular piece of land having its dimensions as 20 metres × 30 metres?
    A 16 Correct Answer Incorrect Answer
    B 10 Correct Answer Incorrect Answer
    C 11 Correct Answer Incorrect Answer
    D 9 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Area of the circular field = π × radius2 = (22/7) × 14 × 14 = 616 m2 Area of the rectangular piece of land = length × breadth = 20 × 30 = 600 m2 So, difference in area = 616 – 600 = 16 m2

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