On a certain sum of money, the simple interest for $2$ years is ₹ $200$ at the rate of $7 \%$ per annum. Find the difference in $C I$ and $S I .$ (In ₹)
$7$
$9$
$11$
None of these
The compound interest (In ₹) on ₹ $10000$ at $20 \%$ per annum at the end of $1$ year $6$ months if the interest is calculated half-yearly will be
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?
What will be the amount (In ₹) received on $25000$ at the rate of $20 \%$ per annum compounded yearly for $4$ years?
What will be the amount (In ₹) if a sum of ₹ $5000$ is placed at compound interest for $3$ years while rate of interest for the first, second and third years is $2,3$ and $4$ per cent, respectively?
If the rate of interest be $4 \%$ per annum for first year, $5 \%$ per annum for second year and $6 \%$ per annum for third year, then the compound interest of $Rs. 10000$ for $3$ years will be (In $Rs.$)