Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 409 · 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.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
2. 2.What is the simple interest on ₹6000 at 8% per year for 4 years? (a) ₹480 (b) ₹7920 (c) ₹2400 (d) ₹1920
3. 3.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹540 (c) ₹2175 (d) ₹1635
4. 4.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹180 (b) ₹3180 (c) ₹90 (d) ₹270
5. 5.The simple interest on ₹8000 for 3 years is ₹2640. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
6. 6.In how many years will ₹7000 earn ₹2100 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
7. 7.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹2800 (d) ₹450
8. 8.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
9. 9.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹1560 (b) ₹1040 (c) ₹7540 (d) ₹520
10. 10.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
11. 11.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
12. 12.In how many years will ₹1500 earn ₹90 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
13. 13.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
14. 14.The simple interest on ₹2000 for 2 years is ₹400. What is the rate per year? (a) 20% (b) 10% (c) 9% (d) 11%
15. 15.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
16. 16.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹4200 (c) ₹1000 (d) ₹5000
17. 17.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹120 (b) ₹180 (c) ₹60 (d) ₹1120
18. 18.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
19. 19.In how many years will ₹1500 earn ₹660 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
20. 20.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
21. 21.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹1360 (b) ₹360 (c) ₹450 (d) ₹90
22. 22.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹150 (b) ₹3600 (c) ₹600 (d) ₹750
23. 23.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1030 (b) ₹1150 (c) ₹1180 (d) ₹150
24. 24.What is the simple interest on ₹6500 at 6% per year for 3 years? (a) ₹1170 (b) ₹1560 (c) ₹7670 (d) ₹390
25. 25.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹880 (b) ₹2660 (c) ₹220 (d) ₹660
26. 26.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9860 (b) ₹9180 (c) ₹10540 (d) ₹1360
27. 27.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹480 (b) ₹1920 (c) ₹9440 (d) ₹1440
28. 28.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
29. 29.The simple interest on ₹6000 for 4 years is ₹1440. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
30. 30.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7480 (b) ₹5995 (c) ₹6985 (d) ₹1485
31. 31.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹200 (b) ₹50 (c) ₹1200 (d) ₹250
32. 32.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹525 (b) ₹3025 (c) ₹2675 (d) ₹3200
33. 33.The simple interest on ₹2500 for 4 years is ₹700. What is the rate per year? (a) 28% (b) 8% (c) 6% (d) 7%
34. 34.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
35. 35.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 7% (c) 12% (d) 5%
36. 36.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1360 (b) ₹1090 (c) ₹270 (d) ₹1270
37. 37.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹2040 (c) ₹2200 (d) ₹2160
38. 38.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹1440 (b) ₹480 (c) ₹5440 (d) ₹1920
39. 39.In how many years will ₹1000 earn ₹550 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
40. 40.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year

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