Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 276 · 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.₹2500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3500 (b) ₹3300 (c) ₹2700 (d) ₹800
2. 2.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 15% (c) 2% (d) 3%
3. 3.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
4. 4.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹1320 (b) ₹880 (c) ₹440 (d) ₹4880
5. 5.The simple interest on ₹7500 for 4 years is ₹2400. What is the rate per year? (a) 32% (b) 9% (c) 7% (d) 8%
6. 6.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
7. 7.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹990 (b) ₹3960 (c) ₹11970 (d) ₹2970
8. 8.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
9. 9.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹90 (b) ₹30 (c) ₹60 (d) ₹1560
10. 10.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
11. 11.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5885 (b) ₹7425 (c) ₹1540 (d) ₹7040
12. 12.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹9520 (c) ₹9860 (d) ₹8840
13. 13.₹5500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7260 (b) ₹5940 (c) ₹7700 (d) ₹1760
14. 14.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹675 (b) ₹5175 (c) ₹135 (d) ₹810
15. 15.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹825 (b) ₹4950 (c) ₹11625 (d) ₹4125
16. 16.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹4340 (b) ₹840 (c) ₹210 (d) ₹1050
17. 17.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
18. 18.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
19. 19.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
20. 20.₹5500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹6160 (b) ₹8800 (c) ₹2640 (d) ₹8140
21. 21.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹10440 (b) ₹1800 (c) ₹360 (d) ₹1440
22. 22.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹1125 (b) ₹375 (c) ₹8250 (d) ₹750
23. 23.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹6240 (c) ₹6120 (d) ₹240
24. 24.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
25. 25.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8255 (b) ₹7670 (c) ₹7085 (d) ₹1170
26. 26.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹400 (b) ₹1400 (c) ₹500 (d) ₹100
27. 27.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
28. 28.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
29. 29.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
30. 30.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 55%
31. 31.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹2700 (c) ₹150 (d) ₹2650
32. 32.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4440 (b) ₹3360 (c) ₹4800 (d) ₹1440
33. 33.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
34. 34.What is the simple interest on ₹10000 at 8% per year for 4 years? (a) ₹800 (b) ₹3200 (c) ₹4000 (d) ₹13200
35. 35.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
36. 36.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹8880 (c) ₹6480 (d) ₹8400
37. 37.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹1650 (c) ₹1800 (d) ₹1950
38. 38.The simple interest on ₹1500 for 2 years is ₹300. What is the rate per year? (a) 20% (b) 10% (c) 9% (d) 11%
39. 39.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6325 (b) ₹6050 (c) ₹5775 (d) ₹550
40. 40.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%

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