Algebra Q#24

43A dishonest dealer professes to sell his goods at cost price but he uses a weight of 900 gm in place of 1 kg. Find his gain per cent.

Option : B
Explanation : According to the formula, Gain percentage = Error / (True Error -Error) X 100% . = [100/ (1000-100)] x 100% = (100/900) X 100% = 100/9 %

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