Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 420 · 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 ₹8500 at 5% per year for 3 years? (a) ₹9775 (b) ₹1275 (c) ₹425 (d) ₹1700
2. 2.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
3. 3.What is the simple interest on ₹5000 at 11% per year for 3 years? (a) ₹550 (b) ₹2200 (c) ₹6650 (d) ₹1650
4. 4.The simple interest on ₹4000 for 4 years is ₹1920. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
5. 5.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹1900 (b) ₹11020 (c) ₹1520 (d) ₹380
6. 6.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹8240 (c) ₹9200 (d) ₹8960
7. 7.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹320 (b) ₹8160 (c) ₹8480 (d) ₹8320
8. 8.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%
9. 9.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1020 (b) ₹100 (c) ₹1100 (d) ₹1120
10. 10.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
11. 11.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 8% (b) 2% (c) 1% (d) 3%
12. 12.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
13. 13.What is the simple interest on ₹4500 at 11% per year for 4 years? (a) ₹1980 (b) ₹495 (c) ₹2475 (d) ₹6480
14. 14.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
15. 15.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
16. 16.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 5% (b) 12% (c) 4% (d) 3%
17. 17.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹450 (b) ₹150 (c) ₹600 (d) ₹1950
18. 18.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹2250 (b) ₹900 (c) ₹750 (d) ₹150
19. 19.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
20. 20.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2325 (b) ₹2160 (c) ₹660 (d) ₹1665
21. 21.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
22. 22.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
23. 23.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
24. 24.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹3135 (b) ₹1045 (c) ₹12635 (d) ₹4180
25. 25.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
26. 26.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹6360 (c) ₹7080 (d) ₹6720
27. 27.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
28. 28.The simple interest on ₹8500 for 4 years is ₹1020. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
29. 29.The simple interest on ₹1500 for 5 years is ₹525. What is the rate per year? (a) 6% (b) 35% (c) 8% (d) 7%
30. 30.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
31. 31.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
32. 32.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹3250 (d) ₹750
33. 33.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 3% (b) 2% (c) 10% (d) 1%
34. 34.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹8800 (b) ₹800 (c) ₹1200 (d) ₹400
35. 35.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
36. 36.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1300 (b) ₹240 (c) ₹1060 (d) ₹1240
37. 37.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1200 (b) ₹3440 (c) ₹2240 (d) ₹3200
38. 38.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹990 (b) ₹2325 (c) ₹165 (d) ₹825
39. 39.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹1200 (b) ₹240 (c) ₹4200 (d) ₹1440
40. 40.The simple interest on ₹8500 for 2 years is ₹2040. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%

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