Question

find the principal if the compound interest payable annually at 10% per annum for 3 year is 1331

Answer 1

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CI = P( 1 + r/100)n - 1

331 = P( 1 + 10/100)3  -1 

331 = P(11/10)3 - 1

331 = P(1331/1000 - 1000  /1000)

331 = P( 331/1000)

P= 331 * 1000 / 331

P = 1000

Ans: Principal is Rs 1000


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Answer 2

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