A square carpet with an area of 169 cm2 must have 2 cm cut off one of its edges in order to be a perfect fit for a rectangular room. what is the area (in cm2) of this rectangular room ?
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Job Solution Combined Bank (সমন্বিত ব্যাংক) Three Combined Bank Recruitment - Senior Officer 03 .08.2018 গণিত
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Since the carpet is square the length is x=169= 13, now if one length is cut off by 2 cm the carpet will be a rectangular, so it's length is x= 13 and wide, y= 13-2 = 11.

Therefore the area = xy = 13*11 = 143.

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