Multiple Choice Questions on The perimeter of a rectangle is 60 cms If its length is twice its breadth then its area is ........ for Study NOtes Preparation

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Multiple Choice Questions

The perimeter of a rectangle is 60 cms If its length is twice its breadth then its area is ........

Quantitative Aptitiude (CLAT) Mensuration
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    The perimeter of a rectangle is 60 cms. If its length is twice its breadth, then its area is:

    200 cm2

    Correct Answer

    180 cm2

    Incorrect Answer

    160 cm2

    Incorrect Answer

    220 cm2

    Incorrect Answer
    Explanation:

    perimeter of rectangle =2(L+b)
    given that l=2b since let be length of rectangle be 2x and therefore breadth = x
    perimeter of rectangle =2(L+b)
    =2(x+2x)=60
    =x=10
    length =20cm
    breadth =10cm
    area of rectangle =l. b
    = 20.10=200cmsquare

    By: Amit Kumar
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