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The sum for 2 years given a compound interest of Rs. 3225 at 15% rate. Then the sum is = ?

1Rs. 10000
2Rs. 20000
3Rs. 15000
4Rs. 32250

Answer:- 1

Explanation:-

Solution:

Interest for 2 years at the rate of 15%

\begin{aligned} =  15 + 15 + \frac{15 \times 15}{100} \\ = 32.25 % \\ According to question, \\ 32 .25 % =  3225 \\ 100 % = \frac{3225}{32.25} \times 100 \\ = 100 \times 100 = 10000 \end{aligned}

$\eqalign{ & {\text{ = 15 + 15 + }}\frac{{15 \times 15}}{{100}} \cr & = 32.25\% \cr & {\text{According to question,}} \cr & {\text{32}}{\text{.25}}\% {\text{ = 3225}} \cr & {\text{100}}\% {\text{ = }}\frac{{3225}}{{32.25}} \times 100 \cr & = 100 \times 100 = 10000 \cr}$

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", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution:

Interest for 2 years at the rate of 15%

\begin{aligned} =  15 + 15 + \frac{15 \times 15}{100} \\ = 32.25 % \\ According to question, \\ 32 .25 % =  3225 \\ 100 % = \frac{3225}{32.25} \times 100 \\ = 100 \times 100 = 10000 \end{aligned}

$\eqalign{ & {\text{ = 15 + 15 + }}\frac{{15 \times 15}}{{100}} \cr & = 32.25\% \cr & {\text{According to question,}} \cr & {\text{32}}{\text{.25}}\% {\text{ = 3225}} \cr & {\text{100}}\% {\text{ = }}\frac{{3225}}{{32.25}} \times 100 \cr & = 100 \times 100 = 10000 \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }

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