Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 539 · 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 ₹6500 at 5% per year for 3 years? (a) ₹7475 (b) ₹325 (c) ₹1300 (d) ₹975
2. 2.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
3. 3.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
4. 4.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 5%
5. 5.In how many years will ₹4500 earn ₹405 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
6. 6.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹1800 (b) ₹2400 (c) ₹600 (d) ₹6800
7. 7.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 40% (b) 9% (c) 11% (d) 10%
8. 8.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8160 (b) ₹8800 (c) ₹800 (d) ₹8960
9. 9.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹2120 (c) ₹2240 (d) ₹2360
10. 10.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1090 (b) ₹90 (c) ₹1120 (d) ₹1030
11. 11.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹1275 (b) ₹255 (c) ₹9775 (d) ₹1530
12. 12.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 40% (b) 8% (c) 9% (d) 7%
13. 13.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹7085 (b) ₹195 (c) ₹780 (d) ₹585
14. 14.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹180 (b) ₹720 (c) ₹2220 (d) ₹900
15. 15.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2775 (b) ₹1375 (c) ₹4150 (d) ₹3875
16. 16.₹7500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9300 (b) ₹1800 (c) ₹8100 (d) ₹9900
17. 17.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
18. 18.₹10000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹12000 (b) ₹12400 (c) ₹10400 (d) ₹2000
19. 19.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹315 (b) ₹105 (c) ₹1710 (d) ₹210
20. 20.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1050 (b) ₹1150 (c) ₹100 (d) ₹1100
21. 21.What is the simple interest on ₹5000 at 9% per year for 3 years? (a) ₹6350 (b) ₹1350 (c) ₹1800 (d) ₹450
22. 22.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11200 (b) ₹13600 (c) ₹2400 (d) ₹12400
23. 23.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
24. 24.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2725 (b) ₹150 (c) ₹2650 (d) ₹2575
25. 25.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 7% (c) 24% (d) 8%
26. 26.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
27. 27.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹1140 (b) ₹1520 (c) ₹10640 (d) ₹380
28. 28.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
29. 29.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹3175 (b) ₹675 (c) ₹900 (d) ₹225
30. 30.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
31. 31.In how many years will ₹7000 earn ₹1680 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
32. 32.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 30%
33. 33.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹480 (b) ₹160 (c) ₹320 (d) ₹2320
34. 34.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹2080 (c) ₹2320 (d) ₹2400
35. 35.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 8% (b) 21% (c) 7% (d) 6%
36. 36.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
37. 37.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
38. 38.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1120 (b) ₹600 (c) ₹1600 (d) ₹1720
39. 39.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹960 (b) ₹160 (c) ₹2800 (d) ₹800
40. 40.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8400 (b) ₹8880 (c) ₹2400 (d) ₹6480

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