Problem Based On Simple Interest
Q.1) Find the Simple Interest on Rs 750 in 4 years at 15% per annum.
Ans: Rs. 450
Q.2) A man invested Rs. 20,000 at 10% per annum Rs. 15,000 at 12% per annum and some money at 15% per annum If the total annual interest received is Rs. 5600, find the money invested by him at 15% per annum.
Ans: Rs. 12000
Q.3) On a certain Sum of Money the Simple Interest in 2 years at 10% per annum is Rs. 125, what would be the S.I if the rate of Interest will be 12% per annum in 3 Years?
Ans: Rs. 225
Q.4) The S.I on Rs. 6000 in 3 Years and 4 months is Rs. 3000. Find the rate percent per annum?
Ans: 15%
Q.5) Sachin borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends money to Rahul at 25/4% p.a. for 2 years. Find the gain of one year by Sachin.
Ans: Rs. 112.5
Q.6) If a sum of money doubles itself in 8 years at simple interest, the rate percent per annum is-
Ans: 12.5%
Q.7) The simple interest on a certain sum of money at the rate of 5% p.a. for 8 years is Rs. 840. At what rate of interest the same amount of interest can be received on the same sum after 5 years.
Ans: 8%
Q.8) Rs. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years?
Ans: Rs. 1052
Q.9) A lent Rs. 5000 to B for 2 years and Rs 3000 to C for 4 years on simple interest at the same rate of interest and received Rs 2200 in all from both of them as interest. The rate of interest per annum is-
Ans: 10%
Q.10) A sum of money amounts to Rs 9800 after 5 years and Rs 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is-
Ans: 12%