Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 64 · 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.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹2400 (b) ₹1800 (c) ₹600 (d) ₹11800
2. 2.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1605 (b) ₹2025 (c) ₹420 (d) ₹1920
3. 3.What is the simple interest on ₹8500 at 8% per year for 2 years? (a) ₹680 (b) ₹2040 (c) ₹1360 (d) ₹9860
4. 4.₹4500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹6750 (c) ₹4950 (d) ₹6300
5. 5.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹4950 (c) ₹5040 (d) ₹4590
6. 6.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7315 (b) ₹6710 (c) ₹6105 (d) ₹1210
7. 7.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
8. 8.₹8500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9350 (b) ₹850 (c) ₹9775 (d) ₹8925
9. 9.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹7280 (b) ₹780 (c) ₹1170 (d) ₹390
10. 10.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 8% (c) 9% (d) 7%
11. 11.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹240 (b) ₹60 (c) ₹3240 (d) ₹300
12. 12.The simple interest on ₹7500 for 4 years is ₹1500. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
13. 13.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 6% (b) 4% (c) 25% (d) 5%
14. 14.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6490 (b) ₹660 (c) ₹5830 (d) ₹6160
15. 15.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
16. 16.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
17. 17.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
18. 18.The simple interest on ₹7000 for 2 years is ₹840. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 12%
19. 19.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹1995 (b) ₹660 (c) ₹165 (d) ₹495
20. 20.The simple interest on ₹9500 for 5 years is ₹3325. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
21. 21.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
22. 22.In how many years will ₹7000 earn ₹2520 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
23. 23.In how many years will ₹8500 earn ₹2805 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
24. 24.₹4000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹4480 (b) ₹4160 (c) ₹480 (d) ₹4640
25. 25.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%
26. 26.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹5550 (c) ₹8300 (d) ₹7750
27. 27.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
28. 28.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
29. 29.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 1% (b) 3% (c) 8% (d) 2%
30. 30.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
31. 31.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5830 (b) ₹1650 (c) ₹7150 (d) ₹7480
32. 32.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹675 (b) ₹135 (c) ₹540 (d) ₹5040
33. 33.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
34. 34.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3180 (b) ₹3060 (c) ₹180 (d) ₹3240
35. 35.What is the simple interest on ₹7000 at 9% per year for 3 years? (a) ₹8890 (b) ₹1890 (c) ₹2520 (d) ₹630
36. 36.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹875 (b) ₹175 (c) ₹1050 (d) ₹4375
37. 37.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
38. 38.The simple interest on ₹10000 for 3 years is ₹1500. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 15%
39. 39.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
40. 40.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 5%

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