Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 480 · 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 ₹6500 earn ₹390 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
2. 2.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹2520 (b) ₹630 (c) ₹9520 (d) ₹3150
3. 3.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3240 (b) ₹3180 (c) ₹180 (d) ₹3060
4. 4.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1860 (c) ₹1560 (d) ₹1800
5. 5.In how many years will ₹4500 earn ₹1980 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
6. 6.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11250 (b) ₹9450 (c) ₹2250 (d) ₹11700
7. 7.₹9500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4750 (b) ₹14250 (c) ₹15200 (d) ₹10450
8. 8.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹195 (b) ₹975 (c) ₹780 (d) ₹7280
9. 9.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹11600 (b) ₹1600 (c) ₹10400 (d) ₹12000
10. 10.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
11. 11.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹1160 (d) ₹240
12. 12.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹210 (b) ₹630 (c) ₹3420 (d) ₹420
13. 13.The simple interest on ₹9000 for 3 years is ₹540. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
14. 14.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
15. 15.The simple interest on ₹6500 for 4 years is ₹520. What is the rate per year? (a) 2% (b) 8% (c) 1% (d) 3%
16. 16.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
17. 17.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹7840 (c) ₹11200 (d) ₹10360
18. 18.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
19. 19.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
20. 20.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1760 (b) ₹9760 (c) ₹8880 (d) ₹10640
21. 21.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
22. 22.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹10440 (b) ₹1800 (c) ₹1440 (d) ₹360
23. 23.What is the simple interest on ₹6000 at 8% per year for 4 years? (a) ₹1920 (b) ₹7920 (c) ₹480 (d) ₹2400
24. 24.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹200 (b) ₹250 (c) ₹50 (d) ₹2700
25. 25.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹3250 (b) ₹250 (c) ₹1000 (d) ₹750
26. 26.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7420 (b) ₹9100 (c) ₹8680 (d) ₹1680
27. 27.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹1500 (d) ₹4000
28. 28.₹2000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3200 (b) ₹960 (c) ₹2960 (d) ₹2240
29. 29.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹330 (b) ₹495 (c) ₹1830 (d) ₹165
30. 30.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 15%
31. 31.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
32. 32.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
33. 33.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹2025 (b) ₹675 (c) ₹1350 (d) ₹8850
34. 34.In how many years will ₹7500 earn ₹2250 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
35. 35.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹250 (b) ₹6250 (c) ₹1250 (d) ₹1500
36. 36.₹2000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2900 (b) ₹2180 (c) ₹3080 (d) ₹900
37. 37.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹1440 (b) ₹1080 (c) ₹360 (d) ₹10080
38. 38.₹9500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹13680 (b) ₹12635 (c) ₹3135 (d) ₹10545
39. 39.₹9000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹13320 (b) ₹12600 (c) ₹3600 (d) ₹9720
40. 40.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%

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