On selling an article for Rs. 2,640 , a profit of 10 percent is made.
Find :
(i) cost price of the article
(ii) new selling price of it, in order to gain 15%
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S.P. of an article = Rs. 2640
Gain = 10%
(i) ∴ C.P. = (S.P. × 100)/(100 + gain%)
= Rs. (2640 × 100)/(100 + 10)
= Rs. (2640 × 100)/110
= Rs. 2400
(ii) In second case, Gain = 15%
Rs. {2400(100 + 15)}/100
= Rs. (2400 × 115)/100
= Rs. 2760
∴ S.P. = {C.P. (100 + gain%)}/100
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