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Let the C.P be Rs x S.P = (x × 80)/100 = Rs 80/100 x Then, New C.P = (x × 90)/100 = Rs 90/100 x New S.P = Rs (90 x)/100× 130/100 = Rs 117/100 x According to question 80/100 x + 7400 = 117/100 x 37/100 x = 7400 ∴ x = (7400 ×100)/37 = Rs 20000 C.P of an article = Rs 20000 S.P of an article = Rs 22000 Profit % = (22000-20000)/( 20000) ×100 = 10%
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