at the end of every month from his salary towards his contributory pension scheme. The same amount is credited by his employer also. If % rate of compound interest is paid, then find the maturity amount at end of years of service. [( .
) = . ]. . Find the present value of ` , per annum for years at the rate of interest of % per annum.
If the payments are made at the end of each payment period. [ ( . ) – = . ].
. Find the present value of an annuity of ` payable at the end of th month for years. The money compounded at % per annum. [( .
) – = . ]. . Find the amount at the end of years of an annuity of ` , payable at the beginning of each year, if the money is compounded at % per annum.
What is the present value of an annuity due of ` , for years at % per annum? [( . ) – = . ].
. What is the amount of perpetual annuity of ` at % compound interest per year?