Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 840 · 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 ₹6000 earn ₹720 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
2. 2.What is the simple interest on ₹5500 at 2% per year for 3 years? (a) ₹330 (b) ₹440 (c) ₹110 (d) ₹5830
3. 3.In how many years will ₹5500 earn ₹1375 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
4. 4.The simple interest on ₹6500 for 3 years is ₹2145. What is the rate per year? (a) 11% (b) 33% (c) 12% (d) 10%
5. 5.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹9000 (d) ₹300
6. 6.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 12%
7. 7.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
8. 8.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹1400 (b) ₹8400 (c) ₹1750 (d) ₹350
9. 9.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹780 (b) ₹195 (c) ₹585 (d) ₹7085
10. 10.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
11. 11.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹5000 (c) ₹1000 (d) ₹4200
12. 12.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 9% (b) 18% (c) 8% (d) 10%
13. 13.In how many years will ₹4000 earn ₹560 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
14. 14.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹130 (b) ₹390 (c) ₹260 (d) ₹6760
15. 15.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹5800 (b) ₹1000 (c) ₹800 (d) ₹200
16. 16.What is the simple interest on ₹6000 at 5% per year for 5 years? (a) ₹300 (b) ₹1500 (c) ₹1800 (d) ₹7500
17. 17.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
18. 18.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹210 (c) ₹280 (d) ₹1210
19. 19.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹1500 (b) ₹1200 (c) ₹300 (d) ₹4200
20. 20.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 12%
21. 21.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4480 (b) ₹4400 (c) ₹400 (d) ₹4080
22. 22.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6875 (b) ₹5775 (c) ₹1100 (d) ₹6600
23. 23.The simple interest on ₹9500 for 2 years is ₹2090. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
24. 24.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹8840 (b) ₹3120 (c) ₹780 (d) ₹2340
25. 25.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11210 (b) ₹11780 (c) ₹1710 (d) ₹10070
26. 26.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
27. 27.₹5500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1650 (b) ₹7150 (c) ₹7700 (d) ₹6050
28. 28.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹3125 (c) ₹2625 (d) ₹625
29. 29.₹5000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6200 (b) ₹5300 (c) ₹5900 (d) ₹900
30. 30.The simple interest on ₹7500 for 3 years is ₹2250. What is the rate per year? (a) 30% (b) 10% (c) 11% (d) 9%
31. 31.The simple interest on ₹4500 for 3 years is ₹1215. What is the rate per year? (a) 9% (b) 27% (c) 10% (d) 8%
32. 32.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
33. 33.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹3990 (b) ₹245 (c) ₹735 (d) ₹490
34. 34.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 9% (b) 2% (c) 3% (d) 4%
35. 35.₹4000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5920 (b) ₹6400 (c) ₹1920 (d) ₹4480
36. 36.The simple interest on ₹8500 for 3 years is ₹2805. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
37. 37.The simple interest on ₹3000 for 4 years is ₹1200. What is the rate per year? (a) 40% (b) 10% (c) 9% (d) 11%
38. 38.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
39. 39.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
40. 40.In how many years will ₹8500 earn ₹2380 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years

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