If difference of compound interest on a sum of money for 3 years is ₹ 186 . sum of money (In

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6.Interest

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If the difference of the compound interest on a sum of money for $3$ years is ₹ $186 .$ Find the sum of money (In ₹) if the rate of interest in both cases be $10 \%$

A

$5500$

B

$7200$

C

$6500$

D

$6000$

Solution

(d) Difference of amount is from C.I.

$3[10 \%(10 \% P )]+[10 \%(10 \%(10 \% P ))]=186$

$0.03 P +0.001 P =186$

$0.031 P =186$

$P =₹ 6000$

Standard 13

Quantitative Aptitude

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