At what rate percent per annum will $₹ 32000$ yield a compound interest of $₹ 5044$ in $9$ months, interest being compounded quarterly$?$

A sum amounts to $₹8028$ in $3$ years and to $₹ 12042$ in $6$ years at a certain rate percent per annum, when the interest is compounded yearly, The sum is:

Compute the amount and the compound interest in each of the following by using the formulae when:

Principal = $\mathrm{₹}3000$, Rate = $18\mathrm{\%}$, Time = $2\mathrm{y}\mathrm{e}\mathrm{a}\mathrm{r}\mathrm{s}$

By using the formula, find the amount and compound interest on $₹31250$ for $3$ years at $8\%$ per annum compounded annually.

Harpreet borrowed $₹20000$ from her friend at $12\%$ per annum simple interest. She lent it to Alam at the same rate but compounded annually. Find her gain after $2$ years.

Compute the amount and the compound interest in each of the following by using the formulae when:

Principal $=$$\mathrm{₹}2000$, Rate $=$$4 \mathrm{p}\mathrm{a}\mathrm{i}\mathrm{s}\mathrm{e}$ per rupee per annum, Time $=$$3\mathrm{y}\mathrm{e}\mathrm{a}\mathrm{r}\mathrm{s}$.

Compute the amount and the compound interest in each of the following by using the formulae when:

Principal $=$$\mathrm{₹}3000$, Rate$=$$5\mathrm{\%}$, Time$=$ $2\mathrm{y}\mathrm{e}\mathrm{a}\mathrm{r}\mathrm{s}$.