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Question Number 27016 by sirigidiravikumar@gmail.com last updated on 01/Jan/18

$$theintrestonsurtainsumofmoneyatthe$$$$endof6.25yearwas\frac{5}{16}oftheitself.whatisthe$$$$theratepercent?$$

Commented by Rasheed.Sindhi last updated on 07/Jan/18

$$\mathrm{Let}\mathrm{the}\mathrm{principal}\mathrm{is}\mathrm{x}$$$$\mathrm{Interest}=\frac{5\mathrm{x}}{16}$$$$\mathrm{Per}\mathrm{year}\mathrm{interest}=\frac{5\mathrm{x}}{16}/\frac{25}{6}=\frac{5\mathrm{x}}{24}$$$$\left(\begin{array}{ccccc}& \mathrm{PerYear}& & & \\ \mathrm{interest}& & & & \mathrm{principal}\\ \frac{5\mathrm{x}}{24}& & & & \mathrm{x}\\ ?& & & & 100\end{array}\right)$$$$\frac{?}{5\mathrm{x}/24}=\frac{100}{\mathrm{x}}$$$$?=\frac{100}{\mathrm{x}}\times \frac{5\mathrm{x}}{24}=\frac{125}{6}\mathrm{\%}$$$$$$

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