Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 990 · 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.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
2. 2.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
3. 3.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3710 (b) ₹4550 (c) ₹1050 (d) ₹4760
4. 4.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
5. 5.What is the simple interest on ₹6500 at 6% per year for 4 years? (a) ₹1950 (b) ₹1560 (c) ₹8060 (d) ₹390
6. 6.₹5500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6160 (b) ₹1980 (c) ₹7480 (d) ₹8140
7. 7.The simple interest on ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
8. 8.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
9. 9.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹3900 (d) ₹900
10. 10.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
11. 11.What is the simple interest on ₹9000 at 9% per year for 3 years? (a) ₹11430 (b) ₹810 (c) ₹3240 (d) ₹2430
12. 12.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹3240 (b) ₹2160 (c) ₹1080 (d) ₹11160
13. 13.In how many years will ₹6000 earn ₹2880 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
14. 14.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹30 (b) ₹150 (c) ₹180 (d) ₹1150
15. 15.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 35%
16. 16.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹720 (b) ₹120 (c) ₹600 (d) ₹6600
17. 17.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 12%
18. 18.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3900 (b) ₹3300 (c) ₹900 (d) ₹4200
19. 19.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2100 (b) ₹12100 (c) ₹700 (d) ₹2800
20. 20.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹315 (b) ₹105 (c) ₹1710 (d) ₹210
21. 21.The simple interest on ₹7000 for 2 years is ₹840. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
22. 22.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
23. 23.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹300 (b) ₹8100 (c) ₹600 (d) ₹900
24. 24.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9800 (b) ₹9240 (c) ₹2240 (d) ₹7560
25. 25.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹900 (b) ₹8400 (c) ₹1350 (d) ₹450
26. 26.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹1350 (b) ₹1125 (c) ₹225 (d) ₹5625
27. 27.What is the simple interest on ₹8000 at 9% per year for 4 years? (a) ₹2880 (b) ₹10880 (c) ₹720 (d) ₹3600
28. 28.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹1740 (c) ₹1560 (d) ₹1800
29. 29.₹4000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5200 (b) ₹4800 (c) ₹800 (d) ₹4400
30. 30.₹9500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹13775 (b) ₹10355 (c) ₹12920 (d) ₹3420
31. 31.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
32. 32.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8160 (c) ₹8320 (d) ₹320
33. 33.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹3210 (c) ₹4050 (d) ₹4260
34. 34.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
35. 35.₹3000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3630 (b) ₹420 (c) ₹3210 (d) ₹3420
36. 36.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹1620 (b) ₹180 (c) ₹60 (d) ₹120
37. 37.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4960 (b) ₹4480 (c) ₹5440 (d) ₹960
38. 38.The simple interest on ₹4500 for 5 years is ₹900. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 20%
39. 39.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹150 (b) ₹3300 (c) ₹300 (d) ₹450
40. 40.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹90 (b) ₹360 (c) ₹3360 (d) ₹450

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