A gain of 12% is got by selling an article for Rs.3360. What should be the selling price, if the profit aimed is
only 8%?
given SP = 3360
     gain = 12%
$$ CP = 3360 \times \frac{100}{112} = 3000 $$
now CP = 3000
    gain = 8%
then $$ SP = 3000 \times \frac{108}{100} = 3240 $$
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