Difference between simple and compound interest on a certain sum of money for 2 years at 4 % per ann

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6.Interest

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The difference between the simple and compound interest on a certain sum of money for $2$ years at $4 \%$ per annum is $Rs. 4$. Find the sum (In $Rs.$) ?

A

$2500$

B

$2400$

C

$2600$

D

$2000$

Solution

Difference between CI and $SI ^{=} \frac{ Pr ^{2}}{(100)^{2}}$

$\Rightarrow 4=\frac{P \times 16}{10000} \Rightarrow P=\frac{10000}{4}=$ Rs. 2500

Standard 13

Quantitative Aptitude

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