Question $1$

On $1$st January you deposit $$25000$ in the bank. The rate of interest is $7\mathrm{.}6\%\mathrm{.}5$ months later you deposit $$16013.$ How much is your balance at the end of the year after interest has been added?

$2$ Marks

Question $2$

I invest $$456$ and after $7$ years my investment is worth $$866\mathrm{.}241$ What was the averaqe annual rate of return?

Question $3$

I invest $$1694$ at a rate of interest of $\frac{127}{8}\%$ per annum. How long will it take for my investment to become worth $$3210\mathrm{.}92?$