Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 362 · 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 ₹6000 at 10% per year for 4 years? (a) ₹600 (b) ₹3000 (c) ₹2400 (d) ₹8400
2. 2.In how many years will ₹6500 earn ₹650 simple interest at 2% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
3. 3.The simple interest on ₹4500 for 2 years is ₹540. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
4. 4.₹6000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6480 (b) ₹360 (c) ₹6360 (d) ₹6120
5. 5.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹2240 (d) ₹120
6. 6.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
7. 7.The simple interest on ₹7500 for 4 years is ₹2400. What is the rate per year? (a) 7% (b) 8% (c) 32% (d) 9%
8. 8.₹6500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹11180 (b) ₹10400 (c) ₹3900 (d) ₹7280
9. 9.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2080 (b) ₹2120 (c) ₹2040 (d) ₹80
10. 10.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹150 (b) ₹300 (c) ₹450 (d) ₹3300
11. 11.₹9000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹10440 (c) ₹9360 (d) ₹10080
12. 12.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹120 (b) ₹1480 (c) ₹600 (d) ₹480
13. 13.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
14. 14.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
15. 15.The simple interest on ₹7000 for 4 years is ₹3360. What is the rate per year? (a) 12% (b) 48% (c) 11% (d) 13%
16. 16.In how many years will ₹9500 earn ₹3325 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
17. 17.The simple interest on ₹9500 for 2 years is ₹1520. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
18. 18.₹9000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹13500 (b) ₹4500 (c) ₹14400 (d) ₹9900
19. 19.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
20. 20.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹250 (b) ₹200 (c) ₹2700 (d) ₹50
21. 21.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 25%
22. 22.In how many years will ₹5000 earn ₹450 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
23. 23.In how many years will ₹2000 earn ₹400 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7670 (b) ₹7475 (c) ₹6695 (d) ₹975
25. 25.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 2% (b) 6% (c) 1% (d) 3%
26. 26.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹11020 (b) ₹1520 (c) ₹2280 (d) ₹760
27. 27.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹190 (b) ₹570 (c) ₹380 (d) ₹9880
28. 28.₹8000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2400 (b) ₹11200 (c) ₹8800 (d) ₹10400
29. 29.In how many years will ₹8000 earn ₹2240 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
30. 30.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1890 (b) ₹8260 (c) ₹630 (d) ₹1260
31. 31.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 6% (b) 15% (c) 5% (d) 4%
32. 32.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
33. 33.In how many years will ₹8000 earn ₹1200 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
34. 34.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
35. 35.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹2160 (b) ₹825 (c) ₹165 (d) ₹660
36. 36.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹30 (b) ₹120 (c) ₹90 (d) ₹1590
37. 37.In how many years will ₹7000 earn ₹4200 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
38. 38.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
39. 39.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
40. 40.In how many years will ₹10000 earn ₹1500 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years

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