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Let cost price of the article is Rs. ‘x’ So, Selling price of the article = 0.7 × 1.6 × x = Rs. 1.12x According to question; ⇒ 1.12x – x = 192 ⇒ 0.12x = 192 ⇒ x = 1600 Desired Percentage = [(2048 – 1600)/1600] × 100 = 28%