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Ex 8.2, 11 ο»ΏAn article was purchased for Rs 1239 including GST of 18%. Find the price of the article before GST was added? Given, Amount Paid (Bill Amount) = Rs 1239 GST Percentage = 18% Let the original Price = x Tax Amount = GST Percentage Γ— Price = 18% Γ— π‘₯ = 18/100 Γ— π‘₯ = πŸπŸ–π’™/𝟏𝟎𝟎 Now, Bill Amount = Price + Tax Amount 1239 = 𝒙 + πŸπŸ–π’™/𝟏𝟎𝟎 1239 = (100π‘₯ + 18π‘₯)/100 1239 = πŸπŸπŸ–π’™/𝟏𝟎𝟎 (1239 Γ— 100)/118 = π‘₯ (21 Γ— 100)/2 = π‘₯ 2100/2 = π‘₯ 1050 = π‘₯ 𝒙 = 1050 ∴ Original Price = Rs 700

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.