Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 18 · 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.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6000 (b) ₹5500 (c) ₹1000 (d) ₹6500
2. 2.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
3. 3.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹11800 (b) ₹600 (c) ₹2400 (d) ₹1800
4. 4.What is the simple interest on ₹9000 at 12% per year for 4 years? (a) ₹13320 (b) ₹5400 (c) ₹4320 (d) ₹1080
5. 5.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
6. 6.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8250 (b) ₹9750 (c) ₹9000 (d) ₹1500
7. 7.In how many years will ₹4500 earn ₹1575 simple interest at 7% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
8. 8.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹1725 (b) ₹225 (c) ₹45 (d) ₹270
9. 9.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
10. 10.₹5000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7000 (b) ₹5400 (c) ₹6600 (d) ₹1600
11. 11.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
12. 12.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹12540 (b) ₹13300 (c) ₹3040 (d) ₹10260
13. 13.₹5000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5200 (b) ₹400 (c) ₹5400 (d) ₹5600
14. 14.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
15. 15.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹2880 (c) ₹660 (d) ₹2660
16. 16.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
17. 17.What is the simple interest on ₹8500 at 9% per year for 5 years? (a) ₹765 (b) ₹3825 (c) ₹4590 (d) ₹12325
18. 18.₹1500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹2400 (c) ₹1650 (d) ₹750
19. 19.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 5% (b) 6% (c) 30% (d) 7%
20. 20.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4025 (b) ₹3605 (c) ₹420 (d) ₹3920
21. 21.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹325 (b) ₹7475 (c) ₹1300 (d) ₹975
22. 22.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
23. 23.In how many years will ₹8000 earn ₹1280 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
24. 24.₹6000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹6660 (c) ₹1980 (d) ₹7980
25. 25.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3090 (b) ₹3360 (c) ₹3270 (d) ₹270
26. 26.₹9000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10440 (b) ₹9360 (c) ₹10080 (d) ₹1080
27. 27.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹4500 (b) ₹3600 (c) ₹11100 (d) ₹900
28. 28.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹1740 (b) ₹240 (c) ₹120 (d) ₹360
29. 29.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹5040 (c) ₹4635 (d) ₹405
30. 30.In how many years will ₹4500 earn ₹1800 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
31. 31.In how many years will ₹3500 earn ₹315 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
32. 32.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
33. 33.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3300 (b) ₹3900 (c) ₹3600 (d) ₹600
34. 34.₹1000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1060 (c) ₹1300 (d) ₹1360
35. 35.In how many years will ₹5500 earn ₹1210 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
36. 36.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
37. 37.In how many years will ₹2500 earn ₹375 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
38. 38.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹14800 (b) ₹11200 (c) ₹3600 (d) ₹13600
39. 39.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 1% (b) 3% (c) 6% (d) 2%
40. 40.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 10% (b) 22% (c) 12% (d) 11%

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