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A grocer uses a 900 g weight as 1 kg but sells at cost price. His gain percent is

A12.5%
B10%
C11.11%
D9%
Answer & Solution
Correct answer: C. 11.11%
He gives 900 g worth of cost for 1000 g of price, so gain = 100/900 = 11.11 percent.
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