Question

A sum when reckoned at 15/2% per annum amount to Rs 3920 in 3 years.find the sum

Answer 1

Let principal be P
Rate=15/2%
Time=3 yrs
Amount=3920
n
P(1+R/100) =3920
3
P(1+15/200) =3920
3
P(1+3/40) =3920
3
P(43/40) =3920
P(79507/64000)=3920
P=3920×64000/79507
P=3280