Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 23 · 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.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
2. 2.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹390 (b) ₹195 (c) ₹6890 (d) ₹585
3. 3.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
4. 4.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
5. 5.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹2240 (b) ₹1680 (c) ₹560 (d) ₹9680
6. 6.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹3600 (b) ₹720 (c) ₹4320 (d) ₹11600
7. 7.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹6760 (b) ₹390 (c) ₹260 (d) ₹130
8. 8.₹10000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹12800 (b) ₹2100 (c) ₹12100 (d) ₹10700
9. 9.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹2160 (b) ₹200 (c) ₹160 (d) ₹40
10. 10.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3740 (b) ₹13175 (c) ₹9435 (d) ₹12240
11. 11.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹190 (b) ₹760 (c) ₹10260 (d) ₹950
12. 12.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7440 (b) ₹6360 (c) ₹1080 (d) ₹7080
13. 13.In how many years will ₹7000 earn ₹1680 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
14. 14.In how many years will ₹6500 earn ₹585 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
15. 15.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹510 (b) ₹765 (c) ₹9010 (d) ₹255
16. 16.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%
17. 17.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 10% (b) 36% (c) 9% (d) 8%
18. 18.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
19. 19.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 2% (b) 3% (c) 6% (d) 1%
20. 20.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
21. 21.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
22. 22.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹2300 (b) ₹360 (c) ₹300 (d) ₹60
23. 23.In how many years will ₹5500 earn ₹1375 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
24. 24.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹10350 (c) ₹10620 (d) ₹9270
25. 25.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹10070 (b) ₹285 (c) ₹855 (d) ₹570
26. 26.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5220 (b) ₹5400 (c) ₹720 (d) ₹4680
27. 27.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 36% (b) 10% (c) 8% (d) 9%
28. 28.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹2900 (b) ₹1080 (c) ₹900 (d) ₹180
29. 29.What is the simple interest on ₹8500 at 10% per year for 4 years? (a) ₹11900 (b) ₹4250 (c) ₹850 (d) ₹3400
30. 30.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3450 (b) ₹3090 (c) ₹3360 (d) ₹360
31. 31.In how many years will ₹8500 earn ₹1785 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
32. 32.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
33. 33.What is the simple interest on ₹9500 at 6% per year for 4 years? (a) ₹2850 (b) ₹570 (c) ₹11780 (d) ₹2280
34. 34.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
35. 35.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹900 (b) ₹450 (c) ₹5400 (d) ₹1350
36. 36.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹935 (b) ₹10370 (c) ₹2805 (d) ₹1870
37. 37.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
38. 38.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹1020 (b) ₹1275 (c) ₹9520 (d) ₹255
39. 39.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹8320 (c) ₹320 (d) ₹480
40. 40.₹3500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹3815 (c) ₹5390 (d) ₹5075

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