Question 927678
Principal(P) =Rs 7500
Final amount =Rs 10500
Simple interest  = 10500-7500 =  Rs 3000
time (T)= 5 years
let R be the rate of interest
  S.I  ={{{P.T.R/100}}}
  3000 = {{{7500*5*R/100}}}
     3000 = {{{75*5*R}}}
     {{{3000/(75*5) =R}}}
      {{{8= R}}}
rate of interest = 8 %