Multiple Choice Questions on The dimensions of a luggage box are 80 cm 60 cm and 40 cm How many sq cm of cloth is required to cov........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

The dimensions of a luggage box are 80 cm 60 cm and 40 cm How many sq cm of cloth is required to cov...........

Quantitative Aptitude (RRB NTPC) Mensuration 2D
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    The dimensions of a luggage box are 80 cm, 60 cm and 40 cm. How many sq. cm of cloth is required to cover the box?

    10400 sq.cm

    Incorrect Answer

    20800 sq.cm

    Correct Answer

    20400 sq.cm

    Incorrect Answer

    10200 sq.cm

    Incorrect Answer
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    Explanation:
    Surface area of box =
    =2(80X60+60X40+40X80)
    =2(4800+2400+3200)
    =2X10400
    =20800 CM^2

    By: Barka Mirza
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