What will be the compound interest (In ₹) on a sum of ₹ $1875$ after $2$ years if the rate of interest for the first year is $4 \%$ and that for the second year is $8 \% ?$
$231$
$341$
$241$
None of these
If the difference between $S.I.$ and $C.I.$ for $2$ years on a sum of money lent at $5 \%$ is $ 6,$ then the sum is (In ₹)
A man gave $50 \%$ of his savings of ₹ $84,100$ to his wife and divided the remaining sum among his two sons $A$ and $B$ of $15$ and $13$ years of age respectively. He divided it in such a way that each of his sons, when they attain the age of $18$ years, would receive the same amount at $5 \%$ compound interest per annum. The share of $B$ was (In ₹)
An amount of money at compound interest grows up to $Rs. 3840$ in $4$ $years$ and up to $Rs. 3936$ in $5$ $years$. Find the rate of interest (In $\%$) ?
The difference between the compound interest and simple interest on a certain sum at $3 \%$ per annum for $3$ years is ₹ $27.27 .$ The sum is (In ₹)
The population of a state increases by $10 \%$ every year. If its population in the year $2003$ was $15$ lakhs, what was its population in the year $2005$ (in $lakhs$)?