A shopkeeper professes to sell his goods at cost price but uses a 960 gm weight instead of 1 kilogram weight. What is the profit percentage of the shopkeeper?
Let cost price of shopkeeper = Rs. 1000/kg => Re. 1/gm
Selling price = Rs. 1000/960gm
=> Profit % = $$\frac{(\frac{1000}{960}-1)}{1}\times100$$
= $$\frac{40}{960}\times100=\frac{100}{24}$$
=Â $$4\frac{1}{6}\%$$
=> Ans - (A)
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