Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 938 · 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 3% per year simple interest. What is the amount after 2 years? (a) ₹210 (b) ₹3710 (c) ₹3815 (d) ₹3605
2. 2.₹5000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹6600 (c) ₹7000 (d) ₹5400
3. 3.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹1260 (b) ₹420 (c) ₹4760 (d) ₹1680
4. 4.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 12% (b) 4% (c) 5% (d) 3%
5. 5.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹320 (b) ₹960 (c) ₹8960 (d) ₹1280
6. 6.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹660 (b) ₹3330 (c) ₹3990 (d) ₹3660
7. 7.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹8645 (b) ₹7215 (c) ₹7930 (d) ₹1430
8. 8.The simple interest on ₹9000 for 5 years is ₹900. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 10%
9. 9.The simple interest on ₹2000 for 5 years is ₹800. What is the rate per year? (a) 9% (b) 40% (c) 8% (d) 7%
10. 10.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 7% (b) 35% (c) 8% (d) 6%
11. 11.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
12. 12.₹7000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹12040 (b) ₹7840 (c) ₹4200 (d) ₹11200
13. 13.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
14. 14.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹5580 (c) ₹4860 (d) ₹5940
15. 15.₹5500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹5885 (c) ₹7810 (d) ₹7425
16. 16.₹7000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1400 (b) ₹7700 (c) ₹9100 (d) ₹8400
17. 17.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 6%
18. 18.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹10880 (c) ₹11840 (d) ₹8960
19. 19.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹320 (c) ₹2320 (d) ₹2400
20. 20.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹1060 (b) ₹60 (c) ₹90 (d) ₹30
21. 21.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹3100 (b) ₹2650 (c) ₹450 (d) ₹2950
22. 22.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
23. 23.The simple interest on ₹1000 for 4 years is ₹440. What is the rate per year? (a) 44% (b) 10% (c) 11% (d) 12%
24. 24.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 4% (b) 20% (c) 6% (d) 5%
25. 25.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3990 (b) ₹3330 (c) ₹990 (d) ₹4320
26. 26.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹525 (b) ₹1920 (c) ₹105 (d) ₹420
27. 27.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹3750 (b) ₹4500 (c) ₹750 (d) ₹11250
28. 28.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2880 (b) ₹480 (c) ₹2400 (d) ₹6400
29. 29.What is the simple interest on ₹9500 at 6% per year for 4 years? (a) ₹11780 (b) ₹2850 (c) ₹570 (d) ₹2280
30. 30.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹11900 (b) ₹680 (c) ₹3400 (d) ₹4080
31. 31.₹5500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5610 (b) ₹220 (c) ₹5720 (d) ₹5830
32. 32.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
33. 33.In how many years will ₹4500 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
34. 34.What is the simple interest on ₹4000 at 5% per year for 3 years? (a) ₹4600 (b) ₹800 (c) ₹200 (d) ₹600
35. 35.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4550 (b) ₹1050 (c) ₹3850 (d) ₹4900
36. 36.₹8000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹9920 (c) ₹1920 (d) ₹8480
37. 37.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹480 (b) ₹120 (c) ₹360 (d) ₹4360
38. 38.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
39. 39.What is the simple interest on ₹2000 at 6% per year for 3 years? (a) ₹120 (b) ₹480 (c) ₹360 (d) ₹2360
40. 40.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹300 (d) ₹6900

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