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  1. Chapter 8 Class 7 Comparing Quantities
  2. Serial order wise
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Ex 8.3, 5 I buy a T.V. for Rs 10,000 and sell it at a profit of 20%. How much money do I get for it? C.P = Rs 10,000 S.P = ? Profit percentage = 20% ๐‘ƒ๐‘Ÿ๐‘œ๐‘“๐‘–๐‘ก/(๐ถ.๐‘ƒ) ร— 100% = 20% ๐‘ƒ๐‘Ÿ๐‘œ๐‘“๐‘–๐‘ก/10000 = (20%)/(100%) Profit = 20/100 ร— 10000 Profit = 2/10 ร— 10000 Profit = 2 ร— 1000 Profit =Rs 2000 Now, Profit = SP โˆ’ CP Profit + CP = SP S.P = C.P + Profit = Rs (10,000 + 2,000) = Rs 12,000 So, I get Rs 12,000 from selling it

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.