if 5% more is gained by selling an articles for 350 than by sale in for 340, then the cost of the article is:
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Let the cost of article be x
when SP = 350
P% = (350-x)/x*100
when SP = 340
P% = (340-x)/x*100
5% more is gained by selling article for rs. 350 than for 340
(350-x)/x - (340-x)/x = 5/100
10/x = 5/100
x = 200
when SP = 350
P% = (350-x)/x*100
when SP = 340
P% = (340-x)/x*100
5% more is gained by selling article for rs. 350 than for 340
(350-x)/x - (340-x)/x = 5/100
10/x = 5/100
x = 200
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