What would be C.I. obtained on an amount of Rs. 12000 at rate of 9 ,p.c.p.a for 3 years (In Rs. ) ?

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6.Interest

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What would be the $C.I.$ obtained on an amount of $Rs. 12000$ at the rate of $9 \,p.c.p.a$ for $3$ years (In $Rs.$) ?

A

$3840$

B

$3740.75$

C

$3540$

D

$3640$

Solution

$CI = P \left[\left(1+\frac{ R }{100}\right)^{ n }-1\right]$

Here, $P =$ Rs. $12000, R =9 \% p$.a, $n =3$ years

$=12000\left[\left(\frac{109}{100}\right)^{3}-1\right]= Rs .3540 \text { (Appx.) }$

Standard 13

Quantitative Aptitude

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