Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 720 · 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 ₹10000 at 2% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹400 (d) ₹10400
2. 2.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
3. 3.The simple interest on ₹9500 for 4 years is ₹2660. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 28%
4. 4.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
5. 5.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹750 (b) ₹375 (c) ₹8250 (d) ₹1125
6. 6.In how many years will ₹6000 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
7. 7.What is the simple interest on ₹10000 at 5% per year for 3 years? (a) ₹500 (b) ₹2000 (c) ₹1500 (d) ₹11500
8. 8.What is the simple interest on ₹1500 at 8% per year for 3 years? (a) ₹1860 (b) ₹120 (c) ₹480 (d) ₹360
9. 9.₹7500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹8325 (c) ₹11625 (d) ₹10800
10. 10.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹260 (b) ₹780 (c) ₹7020 (d) ₹520
11. 11.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
12. 12.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹700 (b) ₹11400 (c) ₹2100 (d) ₹1400
13. 13.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹225 (c) ₹2650 (d) ₹150
14. 14.In how many years will ₹5500 earn ₹2475 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
15. 15.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹6075 (c) ₹4815 (d) ₹5760
16. 16.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
17. 17.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 20% (b) 3% (c) 4% (d) 5%
18. 18.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
19. 19.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1120 (b) ₹9680 (c) ₹8560 (d) ₹9120
20. 20.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹9750 (b) ₹3000 (c) ₹2250 (d) ₹750
21. 21.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4400 (b) ₹400 (c) ₹4480 (d) ₹4080
22. 22.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
23. 23.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹165 (b) ₹990 (c) ₹2325 (d) ₹825
24. 24.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹10540 (b) ₹1020 (c) ₹2040 (d) ₹3060
25. 25.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
26. 26.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
27. 27.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
28. 28.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3570 (b) ₹3780 (c) ₹280 (d) ₹3850
29. 29.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹8060 (c) ₹7540 (d) ₹1040
30. 30.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 16% (b) 7% (c) 9% (d) 8%
31. 31.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
32. 32.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹180 (b) ₹240 (c) ₹3180 (d) ₹60
33. 33.₹10000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹13300 (b) ₹14400 (c) ₹3300 (d) ₹11100
34. 34.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹840 (b) ₹1260 (c) ₹6840 (d) ₹420
35. 35.What is the simple interest on ₹4500 at 4% per year for 4 years? (a) ₹720 (b) ₹5220 (c) ₹180 (d) ₹900
36. 36.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
37. 37.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10350 (b) ₹10620 (c) ₹9270 (d) ₹1350
38. 38.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹1320 (b) ₹5320 (c) ₹440 (d) ₹1760
39. 39.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
40. 40.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹4350 (c) ₹3270 (d) ₹4620

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