New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    A wire, when bent in the form of a square encloses an

    area of 121 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?
    A 488 sq. cm Correct Answer Incorrect Answer
    B 154 sq. cm Correct Answer Incorrect Answer
    C 616 sq. cm Correct Answer Incorrect Answer
    D 492 sq. cm Correct Answer Incorrect Answer

    Solution

    Area of Square =121. Side of wire (Square)=11 Length of wire =4×11=44cm ATQ- 2 π r =44 R =44×7 / (22×2) =7cm And now an area of circle = πr2 =22/7 ×7 ×7 =154=154 sq. cm

    Practice Next