Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 776 · 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.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
2. 2.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5550 (b) ₹7750 (c) ₹7200 (d) ₹2200
3. 3.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
4. 4.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹900 (b) ₹12700 (c) ₹3600 (d) ₹2700
5. 5.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
6. 6.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹100 (b) ₹1200 (c) ₹300 (d) ₹200
7. 7.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
8. 8.The simple interest on ₹6000 for 3 years is ₹1440. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
9. 9.The simple interest on ₹1500 for 2 years is ₹360. What is the rate per year? (a) 13% (b) 24% (c) 12% (d) 11%
10. 10.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
11. 11.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
12. 12.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
13. 13.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
14. 14.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 8% (b) 7% (c) 40% (d) 9%
15. 15.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
16. 16.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹1000 (b) ₹1200 (c) ₹200 (d) ₹6000
17. 17.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹240 (c) ₹3480 (d) ₹480
18. 18.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹720 (b) ₹2220 (c) ₹900 (d) ₹180
19. 19.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹8140 (b) ₹2640 (c) ₹3300 (d) ₹660
20. 20.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹240 (b) ₹3720 (c) ₹720 (d) ₹960
21. 21.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7150 (b) ₹2600 (c) ₹9750 (d) ₹9100
22. 22.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹300 (c) ₹1560 (d) ₹1860
23. 23.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
24. 24.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 13% (b) 36% (c) 11% (d) 12%
25. 25.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8060 (b) ₹1040 (c) ₹7020 (d) ₹7540
26. 26.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹8840 (b) ₹585 (c) ₹2925 (d) ₹2340
27. 27.In how many years will ₹3000 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
28. 28.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
29. 29.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1215 (b) ₹6120 (c) ₹4905 (d) ₹5715
30. 30.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
31. 31.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3090 (b) ₹3270 (c) ₹270 (d) ₹3360
32. 32.In how many years will ₹10000 earn ₹4000 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
33. 33.₹10000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10300 (b) ₹11800 (c) ₹11500 (d) ₹1500
34. 34.₹10000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹12500 (c) ₹12000 (d) ₹2000
35. 35.The simple interest on ₹7500 for 4 years is ₹2100. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 28%
36. 36.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
37. 37.What is the simple interest on ₹1500 at 6% per year for 5 years? (a) ₹540 (b) ₹1950 (c) ₹450 (d) ₹90
38. 38.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
39. 39.What is the simple interest on ₹7000 at 11% per year for 2 years? (a) ₹1540 (b) ₹2310 (c) ₹770 (d) ₹8540
40. 40.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%

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