Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 377 · 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.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6180 (b) ₹6540 (c) ₹360 (d) ₹6360
2. 2.The simple interest on ₹8500 for 4 years is ₹4080. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 48%
3. 3.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹3050 (b) ₹825 (c) ₹550 (d) ₹275
4. 4.In how many years will ₹4500 earn ₹1620 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
5. 5.The simple interest on ₹2000 for 4 years is ₹880. What is the rate per year? (a) 11% (b) 44% (c) 10% (d) 12%
6. 6.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹1045 (b) ₹6270 (c) ₹14725 (d) ₹5225
7. 7.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹15480 (c) ₹10080 (d) ₹14400
8. 8.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹225 (b) ₹300 (c) ₹75 (d) ₹2725
9. 9.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 24%
10. 10.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 4% (b) 5% (c) 16% (d) 3%
11. 11.What is the simple interest on ₹6500 at 10% per year for 3 years? (a) ₹2600 (b) ₹8450 (c) ₹650 (d) ₹1950
12. 12.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 44% (b) 12% (c) 11% (d) 10%
13. 13.What is the simple interest on ₹5000 at 11% per year for 3 years? (a) ₹550 (b) ₹2200 (c) ₹1650 (d) ₹6650
14. 14.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
15. 15.₹4000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4480 (b) ₹4120 (c) ₹4600 (d) ₹480
16. 16.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
17. 17.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2360 (b) ₹300 (c) ₹2300 (d) ₹2060
18. 18.The simple interest on ₹9500 for 4 years is ₹3040. What is the rate per year? (a) 8% (b) 32% (c) 9% (d) 7%
19. 19.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 2% (b) 6% (c) 1% (d) 3%
20. 20.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11020 (b) ₹10260 (c) ₹11780 (d) ₹1520
21. 21.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹4240 (d) ₹120
22. 22.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹200 (b) ₹2400 (c) ₹600 (d) ₹400
23. 23.What is the simple interest on ₹4000 at 6% per year for 4 years? (a) ₹240 (b) ₹1200 (c) ₹960 (d) ₹4960
24. 24.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
25. 25.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 10% (b) 4% (c) 5% (d) 6%
26. 26.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
27. 27.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹1500 at 4% per year for 4 years? (a) ₹60 (b) ₹1740 (c) ₹240 (d) ₹300
29. 29.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 20%
30. 30.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹1530 (c) ₹1680 (d) ₹150
31. 31.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
32. 32.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
33. 33.In how many years will ₹4500 earn ₹1260 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
34. 34.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹1210 (b) ₹70 (c) ₹280 (d) ₹210
35. 35.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 36% (b) 12% (c) 13% (d) 11%
36. 36.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹8175 (c) ₹10200 (d) ₹10875
37. 37.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
38. 38.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
39. 39.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
40. 40.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹640 (b) ₹160 (c) ₹480 (d) ₹2480

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