Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 27 · 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 ₹3500 at 4% per year for 2 years? (a) ₹140 (b) ₹3780 (c) ₹280 (d) ₹420
2. 2.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹400 (b) ₹1320 (c) ₹80 (d) ₹320
3. 3.What is the simple interest on ₹9500 at 8% per year for 3 years? (a) ₹760 (b) ₹3040 (c) ₹2280 (d) ₹11780
4. 4.In how many years will ₹4000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
5. 5.In how many years will ₹7000 earn ₹1680 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
6. 6.What is the simple interest on ₹4000 at 7% per year for 4 years? (a) ₹5120 (b) ₹1120 (c) ₹1400 (d) ₹280
7. 7.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
8. 8.The simple interest on ₹8000 for 3 years is ₹2160. What is the rate per year? (a) 10% (b) 9% (c) 27% (d) 8%
9. 9.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
10. 10.What is the simple interest on ₹6000 at 10% per year for 4 years? (a) ₹3000 (b) ₹600 (c) ₹8400 (d) ₹2400
11. 11.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹900 (b) ₹3600 (c) ₹4500 (d) ₹12600
12. 12.In how many years will ₹2000 earn ₹600 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
13. 13.The simple interest on ₹1000 for 4 years is ₹80. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 8%
14. 14.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
15. 15.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹150 (b) ₹750 (c) ₹5600 (d) ₹600
16. 16.The simple interest on ₹8000 for 3 years is ₹1920. What is the rate per year? (a) 7% (b) 9% (c) 24% (d) 8%
17. 17.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 32% (b) 9% (c) 7% (d) 8%
18. 18.The simple interest on ₹2500 for 5 years is ₹1125. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
19. 19.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5350 (b) ₹5700 (c) ₹6050 (d) ₹700
20. 20.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 12% (b) 10% (c) 33% (d) 11%
21. 21.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹280 (b) ₹1680 (c) ₹1400 (d) ₹4900
22. 22.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹315 (b) ₹630 (c) ₹945 (d) ₹4130
23. 23.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
24. 24.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹9975 (b) ₹12350 (c) ₹11875 (d) ₹2375
25. 25.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹3710 (b) ₹210 (c) ₹70 (d) ₹280
26. 26.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
27. 27.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 11% (b) 22% (c) 10% (d) 12%
28. 28.₹9500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1140 (b) ₹10925 (c) ₹9785 (d) ₹10640
29. 29.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
30. 30.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹770 (b) ₹10850 (c) ₹4620 (d) ₹3850
31. 31.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹440 (b) ₹6380 (c) ₹1320 (d) ₹880
32. 32.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
33. 33.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹900 (b) ₹2700 (c) ₹11800 (d) ₹1800
34. 34.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹400 (b) ₹2000 (c) ₹1600 (d) ₹11600
35. 35.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
36. 36.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹210 (b) ₹3710 (c) ₹3605 (d) ₹3815
37. 37.In how many years will ₹6000 earn ₹900 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
38. 38.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹960 (b) ₹640 (c) ₹8640 (d) ₹320
39. 39.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10080 (b) ₹9720 (c) ₹720 (d) ₹9360
40. 40.The simple interest on ₹5000 for 5 years is ₹1500. What is the rate per year? (a) 6% (b) 5% (c) 30% (d) 7%

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