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If difference between simple interest and compound interest of money for 3 years at 7.5% per annum is Rs 138.375 then...

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If difference between simple interest and compound interest of certain sum of money for 3 years at 7.5% per annum is Rs 138.375 then what is the sum?

posted Sep 28, 2017 by anonymous

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1 Answer

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CI - SI = Principle * (rate of interest^2)*( 300 + rate of interest )/100^3 for 3 years
Principle = 138.375 * (100^3) / ( 7.5^2 * (300 + 7.5)) = 8000/-.

answer Sep 28, 2017 by Tejas Naik



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