The compound interest on a sum of money for 3 | vedclass

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(c) We have, $C I-S I=\frac{S I}{3}\left[\left(\frac{R}{100}\right)^{2}+3\left(\frac{R}{100}\right)\right]$

$\Rightarrow 11324.05- SI =\frac{ SI }{

Vedclass · Accepted Answer

$1260$

Vedclass · Answer

(c) We have, $C I-S I=\frac{S I}{3}\left[\left(\frac{R}{100}ight)^{2}+3\left(\frac{R}{100}ight)ight]$

$\Rightarrow 11324.05- SI =\frac{ SI }{3}\left[\left(\frac{5}{100}ight)^{2}+3\left(\frac{5}{100}ight)ight]$

$=\frac{ SI }{3}\left[\frac{1+60}{20 	imes 20}ight]=\frac{61 S I}{1200}$

$\Rightarrow\left(1+\frac{61}{1200}ight) SI =1324 \cdot 05$

$\Rightarrow \quad SI =\frac{1324.05 	imes 1200}{1261}=₹ 1260$

The compound interest on a sum of money for $3$ years at $5 \%$ is ₹ $1324.05 .$ What is the simple interest (In ₹) ?

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