An article is marked at Rs. 2,250. By selling it at a discount of 12%. the dealer makes a profit of 10%. Find : (i) the selling price of the article. (ii) the cost price of the article for the dealer.
(i) Market price = Rs. 2,250
S.P. = 2250(100−12)100=2250×88100=45×44
= Rs. 1980
(ii) S.P. = Rs. 1980, Profit = 10%
∴ C.P. of the article = 100110×1980=100×18
=Rs. 1800