In how many years will a sum of ₹ $800$ at $10 \%$ per annum compound interest, compounded semiannually becomes ₹ $926.10$?
$1.5$
$1.0$
$2.5$
$2.0$
If the compound interest on a certain sum for $2$ years is ₹ $60.60$ and the simple interest is ₹ $60$, then the rate of interest per annum (In $\%$) is
A sum of money, deposited at some rate $p.c.p.a.$ of compound interest, doubles itself in $4$ years. In how many years will it become $16$ times of itself at the same rate?
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?
Divide $Rs. 2602$ between $X$ and $Y$, so that the amount of $X$ after $7 \,yr$ is equal to the amount of $Y$ after $9 \,yr$, the interest being compounded at $4 \%$ pa.
The compound interest (In ₹) on ₹ $5,000$ for $3$ years at $10 \%$ per cent will amount to