Difference between simple interest and compound interest on a certain sum for $3$ years at $5 \%$ per annum is ₹ $122 .$ Find the sum (In ₹ )
$14000$
$16000$
$18000$
$20000$
If a sum of money at compound interest amounts to thrice itself in $3$ years, then in how many years will it be $9$ times itself?
The compound interest (In ₹) on ₹ $800$ in $2 \frac{1}{2}$ years at $5 \%$ is
The compound interest on a certain sum for $2$ years at $10 \%$ per annum is ₹ $525 .$ The simple interest (In ₹) on the same sum for double the time at half the rate per cent per annum is
A sum of ₹ $1260$ is borrowed from a money lender at $10 \%$ p.a. compounded annually. If the amount is to be paid back in two equal annual instalments, find out the annual instalment (In ₹).
Divide $Rs. 2602$ between $X$ and $Y$, so that the amount of $X$ after $7 \,yr$ is equal to the amount of $Y$ after $9 \,yr$, the interest being compounded at $4 \%$ pa.