Difference between S.I. and C.I. obtained on principal amount at 5 p.c.p.a. after 2 years is Rs. 35

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6.Interest

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The difference between the $S.I.$ and $C.I.$ obtained on principal amount at $5$ $p.c.p.a.$ after $2$ years is $Rs. 35 .$ What is principal amount (In $Rs.$).

A

$15000$

B

$10000$

C

$14000$

D

$13000$

Solution

Difference between CI and SI for 2 years $=\frac{ PR ^{2}}{100^{2}}$

$\Rightarrow \quad 35=\frac{P(5)^{2}}{(100)^{2}} \Rightarrow P=\operatorname{Rs} .14000$

Standard 13

Quantitative Aptitude

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