1-- In what time will15625 amount to17576 at 4% per annuum compound in

1.	1-- In what time will15625 amount to17576 at 4% per annuum compound interest?2-16000 invested at 10% pa. compounded semi-annually amounts to18522, Find thetime period of the investment.
Answer» Principal=p=Rs15625Amount =A=Rs17576r=4%time =n p[(100+r)/100]^n=A[(100+4)/100]^n=17576/15625(104/100)^4=(26/25)^3(26/25)^n=(26/26)^3thereforen=3

1-- In what time will15625 amount to17576 at 4% per annuum compound interest?2-16000 invested at 10% pa. compounded semi-annually amounts to18522, Find thetime period of the investment.

Answer»

Principal=p=Rs15625Amount =A=Rs17576r=4%time =n

p[(100+r)/100]^n=A[(100+4)/100]^n=17576/15625(104/100)^4=(26/25)^3(26/25)^n=(26/26)^3thereforen=3