3993? 11. A sum of money put out at...
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3993? 11. A sum of money put out at compound inter. amounts in 2 years to 578.40 and in 3 years * 614.55. Find the rate of interest. 12 (Hint: 578.40 = P(1+100) 61456 =P(+10) 614.55= P 1+- 614.55 Dividing, 578.40 =l+ 10

11th - 12th Class
Maths
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we landw thent we dowt lanow p ( A=Pleft(1+frac{r}{100}right)^{n} ) were we (cucw ( A ) G ( 578 cdot 40=Pleft(1+frac{gamma}{100}right)^{2} ) (i) ( 614.55=Pleft(1+frac{8}{100}right)^{3} ) ( frac{614.55=}{100}=1.0625 ) ( frac{578.40}{5}>frac{x}{100}=0.0625 ) ( =1 gamma=6.250 % )
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