14. What sum of money should be invested for 5 years at \( 8 \% \) p.a. to earn the same interest as ? 3600 at \( 10 \% \) p.a. for 4 years?
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a. for 4 years using the simple interest formula: \[ \text{Simple Interest} = \frac{P \times R \times T}{100} \] where \( P \) is the principal amount, \( R \) is the rate of interest, and \( T \) is the time period. \[ \text{Simple Interest} = \frac{3600 \times Show more…
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