2525\frac{2}{5} of the principal amount in 10 years ?" /> 2525\frac{2}{5} of the principal amount in 10 years ?" /> 2525\frac{2}{5} of the principal amount in 10 years ?" />

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At what rate percent per annum will the simple interest on a sum of money be $\frac{2}{5}$ $\frac{2}{5}$ of the principal amount in 10 years ?

14%
26%
3 $5 \frac{2}{3}$ $5\frac{2}{3}$ %
4 $6 \frac{2}{3}$ $6\frac{2}{3}$ %

Answer:- 1

Explanation:-

Solution:

\begin{aligned} Let principal  =  5 units \\ Hence interest \\ =  5 \times \frac{2}{5} \\ =  2 units \\ Time  =  10 years \\ By using formula, \\ Rate%   = \frac{2}{5} \times \frac{100}{10} \\ =  4% \end{aligned}

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of the principal amount in 10 years ?", "text": "At what rate percent per annum will the simple interest on a sum of money be

\frac{2}{5}

$\frac{2}{5}$ of the principal amount in 10 years ?", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" }, "answerCount": "4", "acceptedAnswer": { "@type": "Answer", "text": "

Solution:

\begin{aligned} Let principal  =  5 units \\ Hence interest \\ =  5 \times \frac{2}{5} \\ =  2 units \\ Time  =  10 years \\ By using formula, \\ Rate%   = \frac{2}{5} \times \frac{100}{10} \\ =  4% \end{aligned}

$\eqalign{ & {\text{Let principal = 5 units}} \cr & {\text{Hence interest}} \cr & {\text{ = 5}} \times \frac{2}{5} \cr & {\text{ = 2 units}} \cr & {\text{Time = 10 years}} \cr & {\text{By using formula, }} \cr & {\text{Rate% = }}\frac{2}{5} \times \frac{{100}}{{10}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{ = 4% }} \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution: