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  1. Chapter 8 Class 8 Comparing Quantities
  2. Serial order wise
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Ex 8.3, 5 Vasudevan invested Rs 60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get (i) after 6 months? Given, Principal (P) = 60000 Rate (R) = 12% Per annum Compounded half yearly = 12/2 % per half year = 6 % per half year N = 6 Months = 1 half Year Amount (A) = P (1+๐‘…/100)^๐‘› = 60000 ((100 + 6)/100)^1 = 60000 ร— 106/100 = 600 ร— 106 = 63600 โˆด Amount after 6 months = Rs 63,600 Ex 8.3, 5 Vasudevan invested Rs 60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get (ii) after 1 year? Given, Principal (P) = 60000 Rate (R) = 12% Per annum Compounded half yearly = 12/2 % per half year = 6 % per half year n = 1 Year = 2 Half years Amount (A) = P(1+๐‘…/100)^๐‘› = 60000 ร— (1+6/100)^2 = 60000 ร— (106/100) = 60,000 ร— ((106 ร— 106)/(100 ร—100)) = 60,000 ร— 11236/10000 = 6 ร— 11236 = 67416 โˆด Amount after 1 Year = Rs 67,416

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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.