Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 51 · 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 ₹8500 at 4% per year for 3 years? (a) ₹1360 (b) ₹340 (c) ₹9520 (d) ₹1020
2. 2.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹270 (b) ₹1770 (c) ₹90 (d) ₹360
3. 3.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹6900 (d) ₹900
4. 4.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8160 (b) ₹8800 (c) ₹800 (d) ₹8960
5. 5.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
6. 6.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7800 (b) ₹8400 (c) ₹8700 (d) ₹900
7. 7.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
8. 8.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
9. 9.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹720 (b) ₹9540 (c) ₹540 (d) ₹180
10. 10.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹250 (b) ₹500 (c) ₹5500 (d) ₹750
11. 11.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹340 (b) ₹1020 (c) ₹9180 (d) ₹680
12. 12.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹2100 (d) ₹720
13. 13.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8850 (b) ₹1350 (c) ₹9525 (d) ₹8175
14. 14.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹720 (c) ₹6360 (d) ₹6720
15. 15.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
16. 16.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹80 (b) ₹1080 (c) ₹1100 (d) ₹1020
17. 17.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
18. 18.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1500 (b) ₹300 (c) ₹1200 (d) ₹11200
19. 19.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹3100 (b) ₹900 (c) ₹300 (d) ₹600
20. 20.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
21. 21.In how many years will ₹6500 earn ₹3575 simple interest at 11% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
22. 22.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
23. 23.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
24. 24.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
25. 25.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 50%
26. 26.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
27. 27.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹300 (b) ₹360 (c) ₹1300 (d) ₹60
28. 28.₹7000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9240 (b) ₹7560 (c) ₹1680 (d) ₹8680
29. 29.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹4960 (b) ₹1440 (c) ₹480 (d) ₹960
30. 30.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹14620 (b) ₹13600 (c) ₹5100 (d) ₹9520
31. 31.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5830 (b) ₹7150 (c) ₹1320 (d) ₹6820
32. 32.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1635 (b) ₹540 (c) ₹2175 (d) ₹2040
33. 33.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹5610 (c) ₹550 (d) ₹6050
34. 34.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
35. 35.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹80 (b) ₹1080 (c) ₹120 (d) ₹40
36. 36.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 6% (b) 5% (c) 15% (d) 4%
37. 37.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹270 (b) ₹810 (c) ₹9810 (d) ₹1080
38. 38.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹660 (b) ₹495 (c) ₹165 (d) ₹5995
39. 39.The simple interest on ₹4000 for 3 years is ₹1080. What is the rate per year? (a) 10% (b) 9% (c) 27% (d) 8%
40. 40.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years

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