All the following questions are selected from previous years papers of SSC, CDS, CAT, Bank Exams to help aspirants understand the variety and difficulty level of questions asked on Simple and Compound Interest in various exams.

1. A man borrowed some money from a private organisation at 5% simple interest per annum. He lend this money to another person at 10% compounded interest per annum and made a profit of Rs. 26410 in 4 years. The man borrowed (SSC CGL Exam 31-08-2016)

(a) 200000

(b) 150000

(c) 132050

(d) 100000

1. A man borrowed some money from a private organisation at 5% simple interest per annum. He lend this money to another person at 10% compounded interest per annum and made a profit of Rs. 26410 in 4 years. The man borrowed (SSC CGL Exam 31-08-2016)

(a) 200000

(b) 150000

(c) 132050

(d) 100000

2. Find the ratio of compound interest to simple interest on a sum at 8% per annum for 3 years. (UIA Assistant Exam 22-09-2017)

(a) 2143 : 3354

(b) 1051 : 1529

(c) 129 : 427

(d) 2 : 3

(e) 2029 : 1875

3. A sum of money becomes 3 times in 5 years at simple interest. In how many years, will the same sum become 6 times at the same rate of simple interest ? (CDS - II 2014)

(a) 10 years

(b) 12 years

(c) 12.5 years

(d) 10.5 years

4. A man invests Rs 3000 at the rate of 5% per annum. How much more should he invest at the rate of 8%, so that he can earn a total of 6% per annum ? (CAT 1995)

(a) Rs 1200

(b) Rs 1300

(c) Rs 1500

(d) Rs 2000

5. A sum of money at compounded interest doubles itself in 15 years. It will become eight imes of itself in (SSC CHSL Exam 2010)

(a) 45 years

(b) 48 years

(c) 54 years

(d) 60 years

6. A person invested some amount at the rate of 12% simple interest and the remaining at 10%. He received yearly an interest of Rs 130. Had he interchanged the amounts invested, he would have received an interest of Rs 134. How much money did he invested at different rates ? (CDS - I 2010)

(a) Rs 500 at the rate of 10%, Rs 800 at the rate of 12%

(b) Rs 700 at the rate of 10%, Rs 600 at the rate of 12%

(c) Rs 800 at the rate of 10%, Rs 400 at the rate of 12%

(d) Rs 700 at the rate of 10%, Rs 500 at the rate of 12%

7. A sum of Rs 3000 amounts to Rs 6000 in two years at compounded interest. The interest for four years is (SSC CGL Exam 31-08-2016)

(a) Rs 9000

(b) Rs 12000

(c) Rs 6000

(d) Rs 3000

8. A sum of money amounts to Rs 5200 in 5 years and to Rs 5680 in 7 years at simple interest. The rate of interest per annum is (SSC CGL Exam 2007)

(a) 3%

(b) 4%

(c) 5%

(d) 6%

9. What annual payment will discharge a debt of Rs 6450 due in 4 years at 5% per annum simple interest ? (SSC CHSL Exam 2010)

(a) Rs 1400

(b) Rs 1500

(c) Rs 1550

(d) Rs 1600

10. The compounded interest on RS 64000 for 3 years, compounded annually at 7.5% per annum, is (SSC CGL Exam 01-09-2016)

(a) Rs 14400

(b) Rs 15705

(c) Rs 15507

(d) Rs 15075

(a) 2143 : 3354

(b) 1051 : 1529

(c) 129 : 427

(d) 2 : 3

(e) 2029 : 1875

3. A sum of money becomes 3 times in 5 years at simple interest. In how many years, will the same sum become 6 times at the same rate of simple interest ? (CDS - II 2014)

(a) 10 years

(b) 12 years

(c) 12.5 years

(d) 10.5 years

4. A man invests Rs 3000 at the rate of 5% per annum. How much more should he invest at the rate of 8%, so that he can earn a total of 6% per annum ? (CAT 1995)

(a) Rs 1200

(b) Rs 1300

(c) Rs 1500

(d) Rs 2000

5. A sum of money at compounded interest doubles itself in 15 years. It will become eight imes of itself in (SSC CHSL Exam 2010)

(a) 45 years

(b) 48 years

(c) 54 years

(d) 60 years

6. A person invested some amount at the rate of 12% simple interest and the remaining at 10%. He received yearly an interest of Rs 130. Had he interchanged the amounts invested, he would have received an interest of Rs 134. How much money did he invested at different rates ? (CDS - I 2010)

(a) Rs 500 at the rate of 10%, Rs 800 at the rate of 12%

(b) Rs 700 at the rate of 10%, Rs 600 at the rate of 12%

(c) Rs 800 at the rate of 10%, Rs 400 at the rate of 12%

(d) Rs 700 at the rate of 10%, Rs 500 at the rate of 12%

7. A sum of Rs 3000 amounts to Rs 6000 in two years at compounded interest. The interest for four years is (SSC CGL Exam 31-08-2016)

(a) Rs 9000

(b) Rs 12000

(c) Rs 6000

(d) Rs 3000

8. A sum of money amounts to Rs 5200 in 5 years and to Rs 5680 in 7 years at simple interest. The rate of interest per annum is (SSC CGL Exam 2007)

(a) 3%

(b) 4%

(c) 5%

(d) 6%

9. What annual payment will discharge a debt of Rs 6450 due in 4 years at 5% per annum simple interest ? (SSC CHSL Exam 2010)

(a) Rs 1400

(b) Rs 1500

(c) Rs 1550

(d) Rs 1600

10. The compounded interest on RS 64000 for 3 years, compounded annually at 7.5% per annum, is (SSC CGL Exam 01-09-2016)

(a) Rs 14400

(b) Rs 15705

(c) Rs 15507

(d) Rs 15075