Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 758 · 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.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4235 (b) ₹3745 (c) ₹4480 (d) ₹735
2. 2.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹360 (b) ₹9360 (c) ₹540 (d) ₹180
3. 3.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 45%
4. 4.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹5700 (b) ₹14250 (c) ₹4750 (d) ₹950
5. 5.The simple interest on ₹6500 for 2 years is ₹910. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
6. 6.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹3885 (c) ₹5425 (d) ₹5810
7. 7.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
8. 8.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
9. 9.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10925 (b) ₹9785 (c) ₹11210 (d) ₹1425
10. 10.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
11. 11.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
12. 12.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
13. 13.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9100 (b) ₹7420 (c) ₹8680 (d) ₹1680
14. 14.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
15. 15.In how many years will ₹10000 earn ₹2400 simple interest at 6% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
16. 16.What is the simple interest on ₹5500 at 10% per year for 4 years? (a) ₹550 (b) ₹2750 (c) ₹7700 (d) ₹2200
17. 17.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9360 (b) ₹2145 (c) ₹8645 (d) ₹7215
18. 18.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 27% (b) 9% (c) 10% (d) 8%
19. 19.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹2000 (b) ₹500 (c) ₹1500 (d) ₹6500
20. 20.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹1860 (c) ₹1800 (d) ₹300
21. 21.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹225 (b) ₹1125 (c) ₹1350 (d) ₹5625
22. 22.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹980 (b) ₹4480 (c) ₹245 (d) ₹1225
23. 23.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
24. 24.The simple interest on ₹4000 for 3 years is ₹840. What is the rate per year? (a) 8% (b) 6% (c) 21% (d) 7%
25. 25.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7670 (b) ₹780 (c) ₹6890 (d) ₹7280
26. 26.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 3% (b) 5% (c) 20% (d) 4%
27. 27.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹360 (b) ₹90 (c) ₹1770 (d) ₹270
28. 28.The simple interest on ₹7000 for 3 years is ₹2310. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
29. 29.In how many years will ₹4500 earn ₹1485 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
30. 30.The simple interest on ₹7000 for 5 years is ₹2100. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
31. 31.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹8400 (b) ₹2100 (c) ₹700 (d) ₹1400
32. 32.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
33. 33.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
34. 34.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹360 (b) ₹3360 (c) ₹480 (d) ₹120
35. 35.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹660 (b) ₹6050 (c) ₹550 (d) ₹110
36. 36.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹1440 (b) ₹360 (c) ₹5580 (d) ₹1080
37. 37.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2360 (b) ₹2300 (c) ₹2060 (d) ₹300
38. 38.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹4675 (b) ₹3740 (c) ₹935 (d) ₹12240
39. 39.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2750 (b) ₹3250 (c) ₹500 (d) ₹3000
40. 40.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹390 (b) ₹6890 (c) ₹520 (d) ₹130

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