The difference between simple interest and compound interest compounded annually on a certain sum of money for $2$ years at $4 \%$ per annum is ₹ $1 .$ The sum (in ₹) is
$625$
$630$
$640$
$650$
The population of a town increases by $5 \%$ every year. If the present population is $9261,$ the population $3$ $years$ ago was
There is $60 \%$ increase in an amount in $6$ $years$ at simple interest. What will be the compound interest (In ₹) of ₹ $12000$ after $3$ years at the same rate?
If $64000$ is deposited at $5 \%$ compound interest for a period of $18$ months, interest being compounded half-yearly, find the amount.
Sita deposited $Rs. 5000$ at $10 \%$ simple interest for $2$ years. How much more money (In $Rs.$) will Sita have in her account at the end of $2$ years, if it is compounded semi-annually?
Rohit invested some amount at the rate of $6$ per cent pa and at the end of $3$ years he got ₹ $8730$ simple interest. How much compound interest (in ₹) he will get on same amount and same rate of interest after $2$ years.