Difference between C.I. & S.I. on Rs. 15000 at 3 % per annum for 3 years?

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6.Interest

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Find the difference between $C.I. \& S.I.$ on $Rs. 15000$ at $3 \%$ per annum for $3$ years?

A

$40.91$

B

$73.91$

C

$39.91$

D

$30$

Solution

Difference between CI and SI for 3 years

$\Rightarrow$ Difference $=\frac{ PR ^{2}(300+ R )}{(100)^{3}}$

$=\frac{(15000)(3)^{2}(303)}{(100)^{3}}=$ Rs. $40.91($ app $x .)$

Standard 13

Quantitative Aptitude

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