Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 597 · 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 ₹9000 earn ₹900 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
2. 2.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹8640 (b) ₹320 (c) ₹640 (d) ₹960
3. 3.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹135 (b) ₹540 (c) ₹1905 (d) ₹405
4. 4.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
5. 5.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
6. 6.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹30 (b) ₹90 (c) ₹1560 (d) ₹60
7. 7.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
8. 8.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
9. 9.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
10. 10.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹320 (b) ₹2240 (c) ₹240 (d) ₹80
11. 11.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹170 (b) ₹510 (c) ₹680 (d) ₹9010
12. 12.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
13. 13.The simple interest on ₹6000 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 6% (c) 3% (d) 2%
14. 14.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹810 (b) ₹135 (c) ₹5175 (d) ₹675
15. 15.In how many years will ₹7000 earn ₹2800 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
16. 16.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1680 (b) ₹8260 (c) ₹420 (d) ₹1260
17. 17.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
18. 18.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹10900 (c) ₹600 (d) ₹10300
19. 19.The simple interest on ₹7500 for 4 years is ₹1200. What is the rate per year? (a) 4% (b) 16% (c) 3% (d) 5%
20. 20.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹360 (c) ₹4770 (d) ₹270
21. 21.In how many years will ₹2000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
22. 22.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹70 (b) ₹210 (c) ₹140 (d) ₹3640
23. 23.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹12400 (b) ₹2400 (c) ₹13600 (d) ₹11200
24. 24.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹595 (b) ₹2380 (c) ₹2975 (d) ₹10880
25. 25.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
26. 26.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹9440 (b) ₹720 (c) ₹2160 (d) ₹1440
27. 27.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2300 (b) ₹2060 (c) ₹300 (d) ₹2360
28. 28.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹6540 (b) ₹6180 (c) ₹540 (d) ₹6720
29. 29.₹2500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹4000 (c) ₹1250 (d) ₹3750
30. 30.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1560 (b) ₹1620 (c) ₹1680 (d) ₹120
31. 31.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
32. 32.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
33. 33.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹300 (d) ₹10900
34. 34.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹11250 (b) ₹3000 (c) ₹10500 (d) ₹8250
35. 35.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1905 (b) ₹1770 (c) ₹1635 (d) ₹270
36. 36.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
37. 37.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹7800 (b) ₹2160 (c) ₹360 (d) ₹1800
38. 38.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 10% (b) 8% (c) 36% (d) 9%
39. 39.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹7020 (b) ₹520 (c) ₹650 (d) ₹130
40. 40.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3100 (b) ₹3250 (c) ₹600 (d) ₹2650

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