Question

find the principal when: (1) S.I.= rupees 36,rate=3%P.a. and time = 3 months

Answer 1

let principal be Rs.P
I= Rs.36
r=3%
t=3/12 therefore, (1 year =12 months)

I=Prt/100

36=P×3×3/100×12
or,9P=36×100×12
or,P=36×100×12/9
or,P=Rs.4800