Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 857 · 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 ₹7000 earn ₹280 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
2. 2.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
3. 3.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
4. 4.₹6000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6600 (b) ₹6720 (c) ₹600 (d) ₹6120
5. 5.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹1260 (b) ₹4550 (c) ₹1050 (d) ₹210
6. 6.The simple interest on ₹9000 for 4 years is ₹3240. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
7. 7.The simple interest on ₹9000 for 5 years is ₹900. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
8. 8.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4900 (b) ₹4620 (c) ₹3780 (d) ₹1120
9. 9.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
10. 10.The simple interest on ₹9000 for 5 years is ₹2700. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
11. 11.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹900 (b) ₹10800 (c) ₹2700 (d) ₹1800
12. 12.The simple interest on ₹4000 for 3 years is ₹1080. What is the rate per year? (a) 9% (b) 10% (c) 27% (d) 8%
13. 13.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 13% (b) 24% (c) 12% (d) 11%
14. 14.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
15. 15.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹585 (b) ₹6695 (c) ₹7280 (d) ₹7085
16. 16.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
17. 17.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%
18. 18.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 60%
19. 19.₹5000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6200 (b) ₹5300 (c) ₹1200 (d) ₹6500
20. 20.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
21. 21.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
22. 22.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9990 (b) ₹1980 (c) ₹11970 (d) ₹10980
23. 23.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
24. 24.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
25. 25.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹280 (c) ₹3850 (d) ₹3570
26. 26.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
27. 27.In how many years will ₹6500 earn ₹1950 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
28. 28.The simple interest on ₹3500 for 5 years is ₹1575. What is the rate per year? (a) 45% (b) 8% (c) 9% (d) 10%
29. 29.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹100 (b) ₹200 (c) ₹300 (d) ₹2200
30. 30.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
31. 31.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹900 (b) ₹300 (c) ₹600 (d) ₹6600
32. 32.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
33. 33.The simple interest on ₹6000 for 4 years is ₹960. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
34. 34.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹50 (c) ₹200 (d) ₹250
35. 35.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
36. 36.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 4%
37. 37.In how many years will ₹7500 earn ₹4500 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
38. 38.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 36%
39. 39.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
40. 40.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 33% (b) 11% (c) 12% (d) 10%

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