Find the compound interest (In ₹) on ₹ 5625 f | vedclass

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Question

Compound interest on ₹ 15625 for 9 months @ $16 \%$ per annum

$=15625\left[\left(1+\frac{16}{100 	imes 4}ight)^{3}-1ight]=15625\left[\left(1+\

Vedclass · Accepted Answer

$1951$

Vedclass · Answer

Compound interest on ₹ 15625 for 9 months @ $16 \%$ per annum

$=15625\left[\left(1+\frac{16}{100 	imes 4}ight)^{3}-1ight]=15625\left[\left(1+\frac{1}{25}ight)^{3}-1ight]$

$=15625 	imes\left[\frac{26^{3}}{25^{3}}-1ight]=25 	imes 625 	imes\left[\frac{26^{3}}{25^{3}}-1ight]$

$=26^{3}-25^{3}=\left(26^{2}+25^{2}+26 	imes 25ight)(26-25)$

$=676+625+650=₹ 1951$

Find the compound interest (In ₹) on ₹ $5625$ for $9$ months at $16 \%$ per annum compounded quarterly.

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