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  1. A trader by means of a false balance defrauder to the extent of 8% in buying goods and also defrauds to 8% in selling. His gain percent is ?
    1. 15.48%
    2. 16%
    3. 16.64%
    4. None of these
Correct Option: C

In such question we adopt the Required gain %
= [(100 + common gain%)2 / 100 - 100] %
= { (108)2/100 - 100 } % = 16.64%



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