Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 413 · 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.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5810 (b) ₹3885 (c) ₹1925 (d) ₹5425
2. 2.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹315 (b) ₹1260 (c) ₹945 (d) ₹4445
3. 3.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 8% (b) 9% (c) 18% (d) 10%
4. 4.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
5. 5.In how many years will ₹7500 earn ₹3300 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
6. 6.What is the simple interest on ₹1000 at 11% per year for 3 years? (a) ₹1330 (b) ₹110 (c) ₹330 (d) ₹440
7. 7.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹135 (b) ₹1905 (c) ₹405 (d) ₹540
8. 8.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹5760 (b) ₹315 (c) ₹1575 (d) ₹1260
9. 9.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹13175 (b) ₹9435 (c) ₹12240 (d) ₹3740
10. 10.What is the simple interest on ₹4500 at 3% per year for 2 years? (a) ₹135 (b) ₹4770 (c) ₹405 (d) ₹270
11. 11.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
12. 12.In how many years will ₹7500 earn ₹4500 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
13. 13.The simple interest on ₹1500 for 2 years is ₹360. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
14. 14.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
15. 15.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹3600 (b) ₹4320 (c) ₹720 (d) ₹11600
16. 16.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
17. 17.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
18. 18.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
19. 19.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
20. 20.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 4% (b) 5% (c) 10% (d) 6%
21. 21.In how many years will ₹6000 earn ₹1200 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
22. 22.What is the simple interest on ₹6500 at 11% per year for 4 years? (a) ₹3575 (b) ₹9360 (c) ₹715 (d) ₹2860
23. 23.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
24. 24.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹450 (b) ₹9900 (c) ₹1350 (d) ₹900
25. 25.The simple interest on ₹9000 for 2 years is ₹1440. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
26. 26.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
27. 27.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹135 (b) ₹180 (c) ₹45 (d) ₹1635
28. 28.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹595 (b) ₹1190 (c) ₹1785 (d) ₹9690
29. 29.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹1210 (c) ₹1070 (d) ₹1140
30. 30.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 4% (b) 25% (c) 5% (d) 6%
31. 31.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹450 (b) ₹675 (c) ₹225 (d) ₹4950
32. 32.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
33. 33.The simple interest on ₹6500 for 2 years is ₹780. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
34. 34.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹60 (b) ₹180 (c) ₹240 (d) ₹3180
35. 35.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
36. 36.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹1800 (c) ₹1650 (d) ₹1950
37. 37.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
38. 38.In how many years will ₹6500 earn ₹2340 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
39. 39.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
40. 40.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years

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