Question

what sum. of money will amount to rs360 in 4yrs at 5%per annum

Answer 1

given,A=RS 360,T=4 YEARS,R=5%
Let sum of money=RS x
as we know,
A-X=S.I
A-S.I=X
360-S.I=X
And we know,
s.i=p*t*r/100
or, 100 s.i=x*4*5
or,100(A-X)=X*20
or,5A-5X=X
or,5*360=6x
or, x=5*360/6
or, x=Rs 300 ans