Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 526 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.In how many years will ₹8500 earn ₹1530 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
2. 2.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
3. 3.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 12%
4. 4.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8960 (b) ₹8240 (c) ₹9200 (d) ₹960
5. 5.₹5000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5450 (b) ₹900 (c) ₹6350 (d) ₹5900
6. 6.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹1320 (b) ₹6820 (c) ₹1760 (d) ₹440
7. 7.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
8. 8.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1270 (b) ₹270 (c) ₹1090 (d) ₹1360
9. 9.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7500 (b) ₹1200 (c) ₹7200 (d) ₹6300
10. 10.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3750 (b) ₹2750 (c) ₹3500 (d) ₹1000
11. 11.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹14725 (b) ₹10545 (c) ₹4180 (d) ₹13680
12. 12.₹5500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹6050 (b) ₹7150 (c) ₹7700 (d) ₹1650
13. 13.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4635 (b) ₹5310 (c) ₹675 (d) ₹5175
14. 14.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 5% (c) 10% (d) 6%
15. 15.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
16. 16.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
17. 17.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹480 (b) ₹240 (c) ₹3480 (d) ₹720
18. 18.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹400 (b) ₹5400 (c) ₹500 (d) ₹100
19. 19.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹380 (b) ₹1900 (c) ₹11020 (d) ₹1520
20. 20.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
21. 21.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
22. 22.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹2725 (c) ₹3625 (d) ₹1125
23. 23.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
24. 24.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹765 (b) ₹510 (c) ₹9010 (d) ₹255
25. 25.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
26. 26.₹9500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1900 (b) ₹11400 (c) ₹11875 (d) ₹9975
27. 27.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
28. 28.What is the simple interest on ₹3000 at 11% per year for 5 years? (a) ₹1650 (b) ₹330 (c) ₹1980 (d) ₹4650
29. 29.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹6160 (c) ₹5610 (d) ₹6050
30. 30.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7875 (b) ₹9000 (c) ₹1125 (d) ₹8625
31. 31.The simple interest on ₹6000 for 2 years is ₹1080. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
32. 32.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹385 (c) ₹1925 (d) ₹5425
33. 33.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 16% (b) 4% (c) 5% (d) 3%
34. 34.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
35. 35.The simple interest on ₹3500 for 3 years is ₹420. What is the rate per year? (a) 5% (b) 3% (c) 12% (d) 4%
36. 36.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹5550 (c) ₹7750 (d) ₹2200
37. 37.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4080 (b) ₹3180 (c) ₹3900 (d) ₹900
38. 38.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
39. 39.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹400 (b) ₹1600 (c) ₹1200 (d) ₹11200
40. 40.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3900 (b) ₹3600 (c) ₹600 (d) ₹3300

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