In a government scheme, if an electricity bill is paid before the due date, one gets a reduction of 5% on the amount of the bill. By paying the bill before the due date, a person got a reduction of ₹20. The amount of his electricity bill was:

₹440 ₹400 ₹520 ₹420

₹400

ATQ , 5% of Total bill = 20 Total electricity Bill =  \(\frac{20}{1}\) × 20  = 400