A sum of Rs. 4000 is lent for 5 years at the rate of 15% per annum. Find simple interest.

Rs. 3000 Rs. 2000 Rs. 1000 Rs. 3200

Rs. 3000

The total Simple Interest received in 5 years = 15 × 5 = 75% Simple Interest = Principal × 75%                        =  4000 × 75%                        =  Rs.3000/-