Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 230 · 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.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹735 (b) ₹3745 (c) ₹4480 (d) ₹4235
2. 2.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹1020 (b) ₹850 (c) ₹9350 (d) ₹170
3. 3.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 11% (b) 50% (c) 10% (d) 9%
4. 4.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹520 (b) ₹2080 (c) ₹8060 (d) ₹1560
5. 5.In how many years will ₹3000 earn ₹990 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
6. 6.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹110 (b) ₹550 (c) ₹1440 (d) ₹440
7. 7.What is the simple interest on ₹3500 at 11% per year for 2 years? (a) ₹770 (b) ₹4270 (c) ₹385 (d) ₹1155
8. 8.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹4600 (c) ₹600 (d) ₹720
9. 9.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10355 (b) ₹855 (c) ₹9785 (d) ₹10640
10. 10.₹8000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3840 (b) ₹12800 (c) ₹8960 (d) ₹11840
11. 11.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹900 (b) ₹180 (c) ₹1080 (d) ₹2400
12. 12.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2060 (b) ₹2300 (c) ₹240 (d) ₹2240
13. 13.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹2650 (b) ₹75 (c) ₹225 (d) ₹150
14. 14.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10030 (b) ₹9010 (c) ₹9520 (d) ₹1020
15. 15.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6825 (b) ₹650 (c) ₹7475 (d) ₹7150
16. 16.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹7080 (b) ₹1620 (c) ₹1080 (d) ₹540
17. 17.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹400 (b) ₹1600 (c) ₹2000 (d) ₹9600
18. 18.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
19. 19.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
20. 20.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
21. 21.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹1560 (b) ₹90 (c) ₹30 (d) ₹60
22. 22.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%
23. 23.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
24. 24.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%
25. 25.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2575 (b) ₹2950 (c) ₹375 (d) ₹2875
26. 26.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
27. 27.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 18%
28. 28.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹2500 (b) ₹500 (c) ₹2000 (d) ₹7000
29. 29.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹4060 (b) ₹560 (c) ₹700 (d) ₹140
30. 30.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
31. 31.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
32. 32.₹9500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1425 (b) ₹10925 (c) ₹11400 (d) ₹9975
33. 33.What is the simple interest on ₹5500 at 4% per year for 4 years? (a) ₹220 (b) ₹880 (c) ₹6380 (d) ₹1100
34. 34.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
35. 35.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹1540 (c) ₹1450 (d) ₹1090
36. 36.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 6%
37. 37.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
38. 38.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1110 (b) ₹550 (c) ₹1660 (d) ₹1550
39. 39.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
40. 40.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 9% (b) 2% (c) 3% (d) 4%

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