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ICSE Class 9 Answered

A certain sum of money is invested at compound interest payable annually. If the interests for two successive years are rupees 225 and rupees 240, find the sum of money.
Asked by bhengrajp | 16 May, 2019, 11:50: AM
Expert Answer
begin mathsize 16px style Interest space on space Rs. space 225 space for space one space year space equals space 240 space minus space 225 space equals space 15 Rate space of space Interest space equals space fraction numerator 100 straight I over denominator PT space end fraction equals fraction numerator 100 space cross times 15 over denominator 225 space cross times space 1 end fraction space equals space 1500 over 225 Interest space on space the space original space sum space for space one space year space equals space Rs. space 225 rightwards double arrow Original space Sum space equals fraction numerator 100 straight I over denominator RT space end fraction space space equals space fraction numerator 100 space cross times space 225 over denominator 1500 over 225 space cross times space 1 space end fraction space equals Rs. space 3375. end style
Answered by Renu Varma | 16 May, 2019, 12:40: PM

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