A tree increases annually by $\frac{1}{8}$ of its height. By how much will it increase (In $cm$) after $2$ years, if it stands today $64 cm$ high?
$72$
$74$
$75$
$81$
If $Rs. 3000$ amounts to $Rs. 4320$ at compound interest in a certain time, then $Rs. 3000$ amount to what in half of the time (In $Rs.$) ?
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 $8 \% ?$
In how many $years$ will a sum of ₹ $800$ at $10 \%$ per annum compounded semi-annually become ₹ $926.10$?
The simple and compound interests on a sum of money for $2$ years are ₹ $8400$ and ₹ $8652$ respectively. The rate of interest per annum is (In $\%$)
Find the difference (In $Rs.$) between $C.I. \& S.I.$ on $Rs. 13000$ at $4 \%$ per annum for $3$ years?