Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 995 · 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 ₹4500 at 2% per year for 4 years? (a) ₹4860 (b) ₹90 (c) ₹450 (d) ₹360
2. 2.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
3. 3.The simple interest on ₹4500 for 4 years is ₹1260. What is the rate per year? (a) 7% (b) 28% (c) 8% (d) 6%
4. 4.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹6525 (b) ₹2025 (c) ₹4905 (d) ₹6930
5. 5.The simple interest on ₹6500 for 3 years is ₹780. What is the rate per year? (a) 4% (b) 12% (c) 5% (d) 3%
6. 6.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹375 (b) ₹2950 (c) ₹2875 (d) ₹2575
7. 7.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹2240 (c) ₹480 (d) ₹2720
8. 8.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹1740 (d) ₹120
9. 9.₹8500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹10030 (b) ₹10540 (c) ₹1530 (d) ₹9010
10. 10.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹8840 (b) ₹2340 (c) ₹780 (d) ₹3120
11. 11.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹715 (b) ₹7930 (c) ₹2145 (d) ₹1430
12. 12.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
13. 13.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
14. 14.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1740 (b) ₹240 (c) ₹1560 (d) ₹1800
15. 15.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
16. 16.₹7000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹7140 (b) ₹700 (c) ₹7840 (d) ₹7700
17. 17.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%
18. 18.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹9690 (c) ₹380 (d) ₹9880
19. 19.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹4080 (b) ₹12580 (c) ₹5100 (d) ₹1020
20. 20.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
21. 21.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
22. 22.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 8% (b) 2% (c) 3% (d) 1%
23. 23.In how many years will ₹8500 earn ₹3060 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
24. 24.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹7200 (c) ₹7500 (d) ₹1200
25. 25.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1530 (c) ₹1560 (d) ₹60
26. 26.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹3575 (b) ₹715 (c) ₹4290 (d) ₹10075
27. 27.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
28. 28.In how many years will ₹5000 earn ₹450 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
29. 29.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹9280 (c) ₹960 (d) ₹8320
30. 30.₹2500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹4300 (c) ₹1500 (d) ₹2800
31. 31.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹480 (b) ₹9920 (c) ₹2400 (d) ₹1920
32. 32.The simple interest on ₹9000 for 5 years is ₹4050. What is the rate per year? (a) 8% (b) 45% (c) 9% (d) 10%
33. 33.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹7750 (b) ₹2750 (c) ₹5550 (d) ₹8300
34. 34.The simple interest on ₹8500 for 4 years is ₹2720. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
35. 35.What is the simple interest on ₹6500 at 12% per year for 4 years? (a) ₹3120 (b) ₹9620 (c) ₹3900 (d) ₹780
36. 36.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8625 (b) ₹8850 (c) ₹7725 (d) ₹1125
37. 37.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹5900 (d) ₹900
38. 38.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹315 (b) ₹1890 (c) ₹6075 (d) ₹1575
39. 39.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 24% (b) 13% (c) 11% (d) 12%
40. 40.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years

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