Question

on what date will Rs.1,950 lent on 5th January, 2011 amount to Rs. 2,125.50 at 5 per cent per annum simple interest ?

Answer 1

The interest added is 175 and the date is September 15,2011
steps-
p=1950
date=5-1-2011
r=5% per annum
new principle p1=2125.50
the inerest is 
    2125.50
    1950
   =175.50
I=175.50
I=PTR/100
=1950.t.5/100

175.50=1950.t.5
            ------------
             100
=350-195=t
t=255 days