Multiple Choice Questions on The perimeter of two square is 52 cm and 48 cm Find the perimeter of a third square whose area is eq........... for CDS Exam Preparation

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Multiple Choice Questions

The perimeter of two square is 52 cm and 48 cm Find the perimeter of a third square whose area is eq...........

Quantitative Aptitude (CDS) Mensuration 2D
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    The perimeter of two square is 52 cm and 48 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two square?

    20cm

    Correct Answer

    25cm

    Incorrect Answer

    22.5cm

    Incorrect Answer

    30cm

    Incorrect Answer
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    Explanation:

    Side of first square = (52/4) cm = 13cm

    Side of second square = (48/4) cm = 12cm

    Area of the third square = [(13)2-(12)2] cm2 = (169 – 144)cm2 = 25cm2

    Side of third square =  cm = 5cm

    Required perimeter = (5×4) cm = 20cm

    By: bhavesh kumar singh
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