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  1. Chapter 8 Class 8 Comparing Quantities
  2. Serial order wise
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Example 11 Find CI on Rs 12600 for 2 years at 10% per annum compounded annually.Given, Principal (P) = 12600 Time = 2 Years Rate (R) = 10% per annum We use the formula A = P ("1 + " ๐‘Ÿ/100)^๐‘› where A = Amount after n years A = 12600 ("1 + " 10/100)^2 = 12600 ("1 + " 1/10)^2 = 12600 ((10 + 1)/10)^2 = 12600 (11/10)^2 = 12600 (11/10)^2 = 12600 ร— 121/100 = 126 ร— 121 = 15246 โˆด Amount after 2 years = Rs 15,246 Now, Amount = Principal + Interest 15246 = 12600 + Interest 15246 โ€“ 12600 = Interest 2646 = Interest Interest = 2646 โˆด Compound Interest = Rs 2,646

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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.