Multiple Choice Questions on From a circular piece of cardboard of radius 3 cm two sectors of 40 deg each have been cut off The a........... for CDS Exam Preparation

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Multiple Choice Questions

From a circular piece of cardboard of radius 3 cm two sectors of 40 deg each have been cut off The a...........

Quantitative Aptitude (CDS) Mensuration 2D
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    From a circular piece of cardboard of radius 3 cm, two sectors of 40° each have been cut off. The area of the remaining portion is

    11 square cm

    Incorrect Answer

    22 square cm

    Correct Answer

    33 square cm

    Incorrect Answer

    44 square cm

    Incorrect Answer
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    Explanation:

    Area of the remaining portion = Area of the circle - 2 × Area of each sector
    = 22/7 x 32 - 2 x 40/360 x 22/7 x32
    = 22 square units

    By: Munesh Kumari
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