Question

At what rate percent per annum will rs 625 amount to rs 676 in 2 years at ci

Answer 1

$\textbf{Given:}$

$\text{Principal, P=Rs.625}$

$\text{Number of years, n=2 years}$

$\textbf{To find:}$

$\text{Rate of interest}$

$\text{By using compund interest formula}$

$\textbf{Amount= \bf\,P(1+\dfrac{r}{100})^n }$

$676=625(1+\dfrac{r}{100})^2$

$\implies(1+\dfrac{r}{100})^2=\dfrac{676}{625}$

$\implies\,1+\dfrac{r}{100}=\dfrac{26}{25}$

$\implies\dfrac{r}{100}=\dfrac{26}{25}-1$

$\implies\dfrac{r}{100}=\dfrac{1}{25}$

$\implies\,r=\dfrac{100}{25}$

$\implies\bf\,r=4\%$

$\therefore\textbf{The rate of interest is 4 \% }$

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1.The compound interest on a certain sum for 2 years at 8% per annum is 1040. The SI on it at the same ratio for 2 years

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Answer 2

Answer:

4% is the answer

Step-by-step explanation: