Question

If the simple interest on a sum at 4% per annam for 2 years is 80, then the compound interest on
the same sum for the same period is​

Answer 1

Let take x as principal SI = (PNR/100) 80 = (x × 2× 4 /100) 80×100/4×2= x 1000= x = principal Find CI =[1000(1+4/100)^2] =1000×26/25×26/25 =1081.6 CI=(1081.6-1000)=81.6 Rs THANK YOU