Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 833 · 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.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
2. 2.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹11475 (b) ₹2380 (c) ₹9095 (d) ₹10880
3. 3.The simple interest on ₹3000 for 3 years is ₹900. What is the rate per year? (a) 10% (b) 11% (c) 30% (d) 9%
4. 4.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7875 (b) ₹8625 (c) ₹8250 (d) ₹750
5. 5.The simple interest on ₹9000 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
6. 6.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 50%
7. 7.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹1140 (b) ₹3420 (c) ₹2280 (d) ₹11780
8. 8.In how many years will ₹9500 earn ₹1140 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
9. 9.In how many years will ₹2000 earn ₹360 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
10. 10.In how many years will ₹4000 earn ₹1000 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
11. 11.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹11100 (c) ₹10200 (d) ₹2700
12. 12.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹225 (c) ₹2800 (d) ₹2575
13. 13.₹2000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2060 (b) ₹120 (c) ₹2180 (d) ₹2120
14. 14.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 27%
15. 15.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹210 (b) ₹1260 (c) ₹8050 (d) ₹1050
16. 16.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹2360 (b) ₹540 (c) ₹360 (d) ₹180
17. 17.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
18. 18.₹4500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4905 (b) ₹270 (c) ₹4635 (d) ₹4770
19. 19.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹240 (b) ₹60 (c) ₹180 (d) ₹1680
20. 20.In how many years will ₹3500 earn ₹1260 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
21. 21.In how many years will ₹1500 earn ₹300 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
22. 22.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹200 (b) ₹100 (c) ₹300 (d) ₹2700
23. 23.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹200 (b) ₹100 (c) ₹300 (d) ₹1200
24. 24.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹600 (c) ₹400 (d) ₹200
25. 25.The simple interest on ₹6500 for 3 years is ₹2145. What is the rate per year? (a) 12% (b) 10% (c) 33% (d) 11%
26. 26.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹8125 (b) ₹325 (c) ₹1625 (d) ₹1950
27. 27.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹4620 (b) ₹280 (c) ₹1400 (d) ₹1120
28. 28.What is the simple interest on ₹7000 at 5% per year for 2 years? (a) ₹7700 (b) ₹350 (c) ₹1050 (d) ₹700
29. 29.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹1320 (c) ₹880 (d) ₹440
30. 30.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
31. 31.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹200 (b) ₹1160 (c) ₹40 (d) ₹160
32. 32.What is the simple interest on ₹8500 at 4% per year for 4 years? (a) ₹9860 (b) ₹340 (c) ₹1700 (d) ₹1360
33. 33.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
34. 34.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹3240 (d) ₹7200
35. 35.The simple interest on ₹2000 for 3 years is ₹120. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 6%
36. 36.The simple interest on ₹1500 for 3 years is ₹225. What is the rate per year? (a) 15% (b) 5% (c) 4% (d) 6%
37. 37.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
38. 38.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹1020 (b) ₹255 (c) ₹9265 (d) ₹765
39. 39.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹550 (b) ₹3050 (c) ₹2775 (d) ₹3325
40. 40.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 55%

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