Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 438 · 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.₹5500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8140 (b) ₹7700 (c) ₹5940 (d) ₹2200
2. 2.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹240 (b) ₹80 (c) ₹320 (d) ₹1240
3. 3.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹200 (c) ₹400 (d) ₹10400
4. 4.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1020 (b) ₹1040 (c) ₹1060 (d) ₹40
5. 5.The simple interest on ₹4500 for 4 years is ₹1440. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 32%
6. 6.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
7. 7.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10300 (b) ₹11500 (c) ₹1200 (d) ₹11200
8. 8.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
9. 9.₹3500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3885 (b) ₹1155 (c) ₹5040 (d) ₹4655
10. 10.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
11. 11.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
12. 12.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3210 (b) ₹3840 (c) ₹3630 (d) ₹630
13. 13.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
14. 14.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3400 (c) ₹2800 (d) ₹3700
15. 15.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4180 (b) ₹10545 (c) ₹14725 (d) ₹13680
16. 16.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9265 (b) ₹510 (c) ₹8755 (d) ₹9010
17. 17.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8160 (b) ₹480 (c) ₹8480 (d) ₹8640
18. 18.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹1000 (b) ₹4000 (c) ₹13000 (d) ₹3000
19. 19.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹5940 (b) ₹550 (c) ₹440 (d) ₹110
20. 20.What is the simple interest on ₹6000 at 12% per year for 4 years? (a) ₹3600 (b) ₹720 (c) ₹2880 (d) ₹8880
21. 21.In how many years will ₹7000 earn ₹3500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
22. 22.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹8400 (c) ₹7800 (d) ₹600
23. 23.The simple interest on ₹8500 for 2 years is ₹1530. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
24. 24.₹4500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4860 (b) ₹1440 (c) ₹6300 (d) ₹5940
25. 25.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹2220 (c) ₹2660 (d) ₹660
26. 26.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 24%
27. 27.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 1% (b) 2% (c) 4% (d) 3%
28. 28.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3300 (b) ₹3360 (c) ₹3060 (d) ₹300
29. 29.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹11200 (c) ₹1200 (d) ₹10600
30. 30.The simple interest on ₹6000 for 3 years is ₹540. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
31. 31.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹300 (b) ₹100 (c) ₹5200 (d) ₹200
32. 32.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 11% (b) 12% (c) 55% (d) 10%
33. 33.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
34. 34.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹15000 (b) ₹6000 (c) ₹1000 (d) ₹5000
35. 35.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹6480 (c) ₹8400 (d) ₹8880
36. 36.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹600 (b) ₹150 (c) ₹750 (d) ₹2100
37. 37.The simple interest on ₹5500 for 2 years is ₹550. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
38. 38.The simple interest on ₹8000 for 4 years is ₹640. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
39. 39.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹440 (b) ₹1320 (c) ₹6820 (d) ₹1760
40. 40.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹780 (b) ₹6760 (c) ₹7540 (d) ₹7280

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