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CBSE Class 7 Answered

a man sold an article for rupees 495 and gained 10% on it. find the cost price of the article
Asked by vimlesh2011 | 05 Dec, 2020, 09:39: AM
answered-by-expert Expert Answer
begin mathsize 16px style Gain percent sign equals fraction numerator Gain over denominator Cost space Price end fraction cross times 100 space rightwards double arrow Gain space equals fraction numerator Gain percent sign cross times space Cost space Price over denominator 100 end fraction equals 10 over 100 cross times space Cost space Price.... left parenthesis 1 right parenthesis Selling space Price space equals space Cost space Price space plus space Gain space rightwards double arrow 495 space equals space Cost space Price space plus 10 over 100 cross times space Cost space Price space space..... from left parenthesis 1 right parenthesis rightwards double arrow Cost space price space equals space 10 over 11 cross times space 495 space equals space Rs. space 450 end style
Answered by Yasmeen Khan | 03 Jan, 2021, 02:45: PM

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