Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 900 · 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.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹4760 (b) ₹1575 (c) ₹1260 (d) ₹315
2. 2.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹2320 (c) ₹320 (d) ₹2480
3. 3.₹8500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹12580 (b) ₹9520 (c) ₹11560 (d) ₹3060
4. 4.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹70 (b) ₹350 (c) ₹3850 (d) ₹420
5. 5.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹5985 (b) ₹6480 (c) ₹4995 (d) ₹1485
6. 6.₹3000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3720 (b) ₹3600 (c) ₹3120 (d) ₹600
7. 7.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9880 (b) ₹10640 (c) ₹1140 (d) ₹11020
8. 8.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹400 (b) ₹100 (c) ₹500 (d) ₹2400
9. 9.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹10200 (c) ₹10875 (d) ₹8175
10. 10.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹3375 (b) ₹1050 (c) ₹175 (d) ₹875
11. 11.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
12. 12.In how many years will ₹8000 earn ₹3200 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
13. 13.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹500 (b) ₹2000 (c) ₹12000 (d) ₹2500
14. 14.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 24%
15. 15.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹2720 (b) ₹680 (c) ₹3400 (d) ₹11220
16. 16.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2675 (b) ₹3200 (c) ₹3025 (d) ₹525
17. 17.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹440 (b) ₹2200 (c) ₹2640 (d) ₹6200
18. 18.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹800 (b) ₹2800 (c) ₹960 (d) ₹160
19. 19.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹1590 (b) ₹120 (c) ₹30 (d) ₹90
20. 20.₹6500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1560 (b) ₹7020 (c) ₹8060 (d) ₹8580
21. 21.₹1500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹360 (b) ₹1860 (c) ₹1950 (d) ₹1590
22. 22.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
23. 23.What is the simple interest on ₹6000 at 5% per year for 5 years? (a) ₹300 (b) ₹7500 (c) ₹1500 (d) ₹1800
24. 24.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8125 (b) ₹7800 (c) ₹1300 (d) ₹6825
25. 25.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
26. 26.The simple interest on ₹6500 for 2 years is ₹1430. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
27. 27.The simple interest on ₹9500 for 4 years is ₹4180. What is the rate per year? (a) 10% (b) 11% (c) 44% (d) 12%
28. 28.₹6000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6720 (b) ₹8160 (c) ₹7440 (d) ₹1440
29. 29.The simple interest on ₹9000 for 5 years is ₹3600. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
30. 30.The simple interest on ₹5000 for 2 years is ₹1200. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%
31. 31.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹585 (b) ₹6695 (c) ₹7085 (d) ₹7280
32. 32.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
33. 33.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹900 (c) ₹750 (d) ₹5750
34. 34.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
35. 35.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹1320 (b) ₹400 (c) ₹320 (d) ₹80
36. 36.What is the simple interest on ₹6000 at 3% per year for 4 years? (a) ₹900 (b) ₹6720 (c) ₹720 (d) ₹180
37. 37.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1100 (b) ₹1400 (c) ₹300 (d) ₹1300
38. 38.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹2725 (c) ₹1125 (d) ₹3625
39. 39.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2300 (b) ₹240 (c) ₹2240 (d) ₹2060
40. 40.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%

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