# The difference between the compound interest and simple interest on a certain sum at 12% per annum for 2 years is Rs.126.72. Find the sum. Option 1) Rs.7800Option 2) Rs.8800 Option 3) Rs.10200 Option 4) Rs.12400 Option 5) Rs.8000

$Difference \: B/W C.I and S.I = P (r/100) ^{2}$
$126.72 = p (12/100)^{2}$
$P = 8800$