Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 153 · 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.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1650 (c) ₹1620 (d) ₹1530
2. 2.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹12700 (c) ₹10900 (d) ₹2700
3. 3.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
4. 4.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹4360 (c) ₹5080 (d) ₹5440
5. 5.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 30%
6. 6.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹315 (b) ₹420 (c) ₹105 (d) ₹1815
7. 7.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 7% (b) 24% (c) 6% (d) 5%
8. 8.What is the simple interest on ₹10000 at 8% per year for 4 years? (a) ₹800 (b) ₹13200 (c) ₹4000 (d) ₹3200
9. 9.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹840 (b) ₹7630 (c) ₹630 (d) ₹210
10. 10.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6360 (b) ₹7800 (c) ₹1440 (d) ₹7440
11. 11.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 25% (b) 6% (c) 4% (d) 5%
12. 12.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹9350 (c) ₹11050 (d) ₹11900
13. 13.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 4% (b) 16% (c) 5% (d) 3%
14. 14.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹1440 (b) ₹6960 (c) ₹480 (d) ₹960
15. 15.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹1600 (b) ₹1200 (c) ₹11200 (d) ₹400
16. 16.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 48%
17. 17.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3750 (b) ₹1000 (c) ₹3500 (d) ₹2750
18. 18.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹12240 (b) ₹810 (c) ₹4050 (d) ₹3240
19. 19.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹320 (b) ₹2480 (c) ₹2320 (d) ₹2160
20. 20.In how many years will ₹5500 earn ₹1650 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
21. 21.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹120 (b) ₹60 (c) ₹2120 (d) ₹180
22. 22.₹4500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4635 (b) ₹4770 (c) ₹270 (d) ₹4905
23. 23.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
24. 24.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 16%
25. 25.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹1125 (c) ₹2725 (d) ₹3625
26. 26.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹3750 (b) ₹1250 (c) ₹1500 (d) ₹250
27. 27.What is the simple interest on ₹4000 at 4% per year for 3 years? (a) ₹160 (b) ₹640 (c) ₹480 (d) ₹4480
28. 28.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
29. 29.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 15%
30. 30.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹225 (b) ₹300 (c) ₹1725 (d) ₹75
31. 31.The simple interest on ₹8500 for 4 years is ₹2720. What is the rate per year? (a) 32% (b) 7% (c) 8% (d) 9%
32. 32.What is the simple interest on ₹8500 at 8% per year for 2 years? (a) ₹9860 (b) ₹2040 (c) ₹1360 (d) ₹680
33. 33.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1240 (b) ₹1320 (c) ₹240 (d) ₹1080
34. 34.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹360 (b) ₹2300 (c) ₹300 (d) ₹60
35. 35.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹550 (c) ₹5775 (d) ₹6325
36. 36.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
37. 37.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
38. 38.In how many years will ₹1500 earn ₹405 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
39. 39.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3400 (b) ₹3625 (c) ₹900 (d) ₹2725
40. 40.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 9% (b) 8% (c) 18% (d) 10%

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad