Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 316 · 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.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹8840 (c) ₹9180 (d) ₹680
2. 2.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹960 (b) ₹1440 (c) ₹480 (d) ₹6960
3. 3.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1030 (b) ₹1150 (c) ₹120 (d) ₹1120
4. 4.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹80 (b) ₹60 (c) ₹20 (d) ₹1060
5. 5.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹7800 (b) ₹1300 (c) ₹1625 (d) ₹325
6. 6.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
7. 7.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
8. 8.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2750 (b) ₹3750 (c) ₹3500 (d) ₹1000
9. 9.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 18%
10. 10.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
11. 11.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
12. 12.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹3960 (b) ₹3300 (c) ₹660 (d) ₹9300
13. 13.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹2320 (c) ₹320 (d) ₹2080
14. 14.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹780 (b) ₹8060 (c) ₹2340 (d) ₹1560
15. 15.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
16. 16.The simple interest on ₹4500 for 5 years is ₹2700. What is the rate per year? (a) 11% (b) 60% (c) 12% (d) 13%
17. 17.₹10000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹11200 (b) ₹10800 (c) ₹800 (d) ₹10400
18. 18.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 15%
19. 19.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 3% (c) 9% (d) 2%
20. 20.₹6000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9600 (b) ₹8880 (c) ₹2880 (d) ₹6720
21. 21.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
22. 22.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹660 (b) ₹3660 (c) ₹330 (d) ₹990
23. 23.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
24. 24.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹630 (b) ₹210 (c) ₹7420 (d) ₹420
25. 25.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
26. 26.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
27. 27.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 5% (b) 7% (c) 24% (d) 6%
28. 28.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3815 (c) ₹210 (d) ₹3605
29. 29.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9785 (b) ₹10640 (c) ₹855 (d) ₹10355
30. 30.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
31. 31.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹2520 (b) ₹3360 (c) ₹840 (d) ₹9520
32. 32.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1820 (b) ₹8775 (c) ₹6955 (d) ₹8320
33. 33.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹8480 (c) ₹8160 (d) ₹480
34. 34.The simple interest on ₹4500 for 3 years is ₹810. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
35. 35.What is the simple interest on ₹4000 at 8% per year for 4 years? (a) ₹1600 (b) ₹5280 (c) ₹1280 (d) ₹320
36. 36.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 5% (b) 16% (c) 4% (d) 3%
37. 37.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
38. 38.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹380 (b) ₹10070 (c) ₹9880 (d) ₹9690
39. 39.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
40. 40.The simple interest on ₹2000 for 2 years is ₹480. What is the rate per year? (a) 13% (b) 11% (c) 24% (d) 12%

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