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  1. Chapter 8 Class 8 Comparing Quantities
  2. Serial order wise
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Example 5 Sohan bought a second hand refrigerator for Rs 2,500, then spent Rs 500 on its repairs and sold it for Rs 3,300. Find his loss or gain per cent. Given, Cost Price = Rs 2500 Money spent on repairs = Rs 500 And, Selling Price (SP) = Rs 3300 Now, Total Cost Price (CP) = Cost Price + Overhead expenses = 2500 + 500 = 3000 Since, SP > CP Sohan made a gain Gain = SP − CP = 3300 − 3000 = 300 Also, Gain Percentage = 𝐺𝑎𝑖𝑛/𝐶𝑃 × 100 = 300/3000 × 100 = 30/3 = 10% Thus, Gain Percentage is 10%

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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.