A certain sum at compound interest amounts in two years to ₹ $2809$ and in three years to ₹ $2977.54 .$ Find the rate of interest and the original sum (In ₹).
$1500$
$2000$
$2500$
$3000$
What will be the compound interest (In ₹) on a sum of ₹ $50000$ after $4$ years at the rate of $10 \%$ per annum?
What is the rate of interest (in $\%$) if simple interest earned on a certain sum for the 3 rd year is $₹ 2,000$ and compound interest earned in 2 years is ₹ $4,160 ?$
If the difference between the simple interest and compound interest earned on an amount @ $15$ $p.c.p.a.$ at the end of $3$ years is $Rs. 595.35$ what is the amount (In $Rs.$) ?
What is the difference between the compound interests (In ₹ ) on ₹ $5000$ for $1 \frac{1}{2}$ years at $4 \%$ per annum compounded yearly end half-yearly?
In how many $years$ will a sum of ₹ $800$ at $10 \%$ per annum compounded semi-annually become ₹ $926.10$?