Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 804 · 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.₹4000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹4480 (b) ₹4720 (c) ₹4240 (d) ₹480
2. 2.In how many years will ₹10000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
3. 3.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹1800 (b) ₹360 (c) ₹1440 (d) ₹5440
4. 4.₹4500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4770 (b) ₹1350 (c) ₹6120 (d) ₹5850
5. 5.The simple interest on ₹4500 for 3 years is ₹1485. What is the rate per year? (a) 10% (b) 11% (c) 33% (d) 12%
6. 6.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
7. 7.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11780 (b) ₹12350 (c) ₹10070 (d) ₹2280
8. 8.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1215 (b) ₹6120 (c) ₹5715 (d) ₹4905
9. 9.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹600 (b) ₹1800 (c) ₹9300 (d) ₹2400
10. 10.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹300 (c) ₹1800 (d) ₹1860
11. 11.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
12. 12.₹5500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1760 (b) ₹7700 (c) ₹5940 (d) ₹7260
13. 13.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5995 (b) ₹6985 (c) ₹990 (d) ₹6490
14. 14.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 9% (b) 11% (c) 40% (d) 10%
15. 15.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹7630 (b) ₹210 (c) ₹840 (d) ₹630
16. 16.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹30 (b) ₹1560 (c) ₹90 (d) ₹60
17. 17.What is the simple interest on ₹2000 at 11% per year for 5 years? (a) ₹1320 (b) ₹1100 (c) ₹220 (d) ₹3100
18. 18.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹900 (d) ₹5900
19. 19.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹120 (b) ₹4240 (c) ₹240 (d) ₹360
20. 20.₹9500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹12825 (b) ₹12160 (c) ₹10165 (d) ₹2660
21. 21.The simple interest on ₹7500 for 4 years is ₹3600. What is the rate per year? (a) 13% (b) 48% (c) 11% (d) 12%
22. 22.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
23. 23.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹480 (b) ₹8480 (c) ₹720 (d) ₹240
24. 24.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹3500 (b) ₹1000 (c) ₹1200 (d) ₹200
25. 25.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
26. 26.The simple interest on ₹2000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
27. 27.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4235 (b) ₹490 (c) ₹3745 (d) ₹3990
28. 28.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
29. 29.₹7500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹8100 (c) ₹2400 (d) ₹9900
30. 30.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
31. 31.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6825 (b) ₹650 (c) ₹7150 (d) ₹7475
32. 32.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
33. 33.What is the simple interest on ₹5500 at 4% per year for 5 years? (a) ₹1320 (b) ₹1100 (c) ₹6600 (d) ₹220
34. 34.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
35. 35.In how many years will ₹3500 earn ₹1260 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
36. 36.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
37. 37.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹20 (b) ₹1040 (c) ₹60 (d) ₹40
38. 38.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹100 (b) ₹200 (c) ₹5200 (d) ₹300
39. 39.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹2300 (d) ₹400
40. 40.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%

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