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Example 10 – GST (Page Number - 124) Salim bought an article for Rs 784 which included GST of 12% . What is the price of the article before GST was added? Given, Amount Paid (Bill Amount) = Rs 784 GST Percentage = 12% Let the original Price = x Tax Amount = GST Percentage × Price = 12% × 𝑥 = 12/100 × 𝑥 = 𝟏𝟐𝒙/𝟏𝟎𝟎 Now, Bill Amount = Price + Tax Amount 784 = 𝒙 + 𝟏𝟐𝒙/𝟏𝟎𝟎 784 = (100𝑥 + 12𝑥)/100 784 = 𝟏𝟏𝟐𝒙/𝟏𝟎𝟎 (784 × 100)/112 = 𝑥 7 × 100 = 𝑥 𝒙 = 700 ∴ Original Price = Rs 700

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.