Question 12 Marks

At what rate per cent per annum will $Rs. 630$ produce an interest of $Rs. 126$ in $4 $ years ?

Answer

$P=$ Rs. $630, I=R s .126, T=4$ years
$\mathrm{R}=\frac{100 \times \mathrm{I}}{\mathrm{P} \times \mathrm{T}}=\frac{100 \times 126}{630 \times 4}=\frac{100}{20}=5 \%$

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