Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 226 · 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 ₹1500 earn ₹150 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
2. 2.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹1620 (b) ₹180 (c) ₹60 (d) ₹120
3. 3.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹270 (b) ₹90 (c) ₹1180 (d) ₹180
4. 4.In how many years will ₹10000 earn ₹3600 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
5. 5.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 40%
6. 6.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
7. 7.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹2575 (c) ₹2875 (d) ₹2800
8. 8.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
9. 9.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4500 (b) ₹3300 (c) ₹4200 (d) ₹1200
10. 10.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 36%
11. 11.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹900 (b) ₹3720 (c) ₹180 (d) ₹720
12. 12.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹3900 (b) ₹9750 (c) ₹650 (d) ₹3250
13. 13.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹900 (c) ₹600 (d) ₹300
14. 14.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹1200 (d) ₹11200
15. 15.What is the simple interest on ₹1500 at 10% per year for 3 years? (a) ₹600 (b) ₹1950 (c) ₹150 (d) ₹450
16. 16.The simple interest on ₹7000 for 2 years is ₹840. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
17. 17.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
18. 18.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
19. 19.The simple interest on ₹2500 for 3 years is ₹450. What is the rate per year? (a) 5% (b) 18% (c) 6% (d) 7%
20. 20.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹1320 (c) ₹440 (d) ₹880
21. 21.The simple interest on ₹8500 for 2 years is ₹1870. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
22. 22.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
23. 23.₹8500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9010 (b) ₹10540 (c) ₹1530 (d) ₹10030
24. 24.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
25. 25.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
26. 26.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹750 (b) ₹4500 (c) ₹11250 (d) ₹3750
27. 27.The simple interest on ₹4000 for 3 years is ₹480. What is the rate per year? (a) 5% (b) 3% (c) 12% (d) 4%
28. 28.What is the simple interest on ₹7500 at 12% per year for 3 years? (a) ₹3600 (b) ₹10200 (c) ₹2700 (d) ₹900
29. 29.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹50 (b) ₹150 (c) ₹2650 (d) ₹200
30. 30.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5200 (b) ₹4240 (c) ₹960 (d) ₹4960
31. 31.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
32. 32.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹8560 (b) ₹9120 (c) ₹1120 (d) ₹9680
33. 33.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹300 (b) ₹75 (c) ₹2725 (d) ₹225
34. 34.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹120 (b) ₹240 (c) ₹1740 (d) ₹360
35. 35.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
36. 36.₹8000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2640 (b) ₹8880 (c) ₹10640 (d) ₹11520
37. 37.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1770 (c) ₹1860 (d) ₹1590
38. 38.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
39. 39.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
40. 40.The simple interest on ₹1000 for 4 years is ₹480. What is the rate per year? (a) 48% (b) 13% (c) 12% (d) 11%

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