by selling 8 dozen pencil, a shopkeeper gains the selling price of 1 dozen pencils. find his gain percent
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8 dozen pencil means 8×12=96 pencil.
1 dozen pencil means 1×12= 12 pencil.
so, 12/96×100=12.5%
1 dozen pencil means 1×12= 12 pencil.
so, 12/96×100=12.5%
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