Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 792 · 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.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 9% (b) 11% (c) 50% (d) 10%
2. 2.The simple interest on ₹7500 for 3 years is ₹2025. What is the rate per year? (a) 27% (b) 10% (c) 8% (d) 9%
3. 3.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
4. 4.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
5. 5.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹525 (b) ₹350 (c) ₹2850 (d) ₹175
6. 6.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹10400 (b) ₹4680 (c) ₹3900 (d) ₹780
7. 7.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹800 (b) ₹3100 (c) ₹600 (d) ₹200
8. 8.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹600 (b) ₹1500 (c) ₹100 (d) ₹500
9. 9.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹4860 (c) ₹6300 (d) ₹6660
10. 10.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 55%
11. 11.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹560 (b) ₹1680 (c) ₹9120 (d) ₹1120
12. 12.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
13. 13.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2400 (b) ₹2300 (c) ₹300 (d) ₹2100
14. 14.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 21%
15. 15.₹1500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1635 (b) ₹1545 (c) ₹135 (d) ₹1680
16. 16.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹7400 (b) ₹3000 (c) ₹600 (d) ₹2400
17. 17.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9525 (b) ₹8850 (c) ₹1350 (d) ₹8175
18. 18.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6180 (b) ₹6900 (c) ₹720 (d) ₹6720
19. 19.The simple interest on ₹10000 for 4 years is ₹2800. What is the rate per year? (a) 8% (b) 6% (c) 28% (d) 7%
20. 20.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹800 (b) ₹10800 (c) ₹200 (d) ₹1000
21. 21.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹5160 (c) ₹3360 (d) ₹4800
22. 22.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1920 (b) ₹1815 (c) ₹1605 (d) ₹315
23. 23.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹1800 (b) ₹2400 (c) ₹600 (d) ₹9300
24. 24.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
25. 25.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹5100 (c) ₹5400 (d) ₹5300
26. 26.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2900 (b) ₹300 (c) ₹2800 (d) ₹2600
27. 27.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1400 (b) ₹1300 (c) ₹1100 (d) ₹300
28. 28.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 11% (b) 12% (c) 48% (d) 13%
29. 29.The simple interest on ₹4500 for 5 years is ₹2025. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 45%
30. 30.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹2800 (c) ₹2875 (d) ₹2575
31. 31.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
32. 32.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹1800 (c) ₹300 (d) ₹1860
33. 33.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
34. 34.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹90 (b) ₹180 (c) ₹270 (d) ₹1180
35. 35.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
36. 36.₹4000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹5320 (b) ₹5760 (c) ₹4440 (d) ₹1320
37. 37.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
38. 38.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹7315 (b) ₹605 (c) ₹1815 (d) ₹2420
39. 39.What is the simple interest on ₹6000 at 10% per year for 3 years? (a) ₹600 (b) ₹2400 (c) ₹1800 (d) ₹7800
40. 40.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹2440 (c) ₹2660 (d) ₹440

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