Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 925 · 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.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 11% (b) 33% (c) 10% (d) 12%
2. 2.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
3. 3.The simple interest on ₹1500 for 4 years is ₹600. What is the rate per year? (a) 40% (b) 10% (c) 11% (d) 9%
4. 4.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2280 (b) ₹2420 (c) ₹280 (d) ₹2140
5. 5.The simple interest on ₹6500 for 2 years is ₹910. What is the rate per year? (a) 6% (b) 7% (c) 14% (d) 8%
6. 6.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 22%
7. 7.In how many years will ₹2000 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
8. 8.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2875 (b) ₹300 (c) ₹2575 (d) ₹2800
9. 9.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
10. 10.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹600 (d) ₹3100
11. 11.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹840 (b) ₹3840 (c) ₹210 (d) ₹1050
12. 12.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹750 (b) ₹8250 (c) ₹150 (d) ₹900
13. 13.In how many years will ₹10000 earn ₹1800 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
14. 14.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
15. 15.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
16. 16.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 27% (b) 9% (c) 8% (d) 10%
17. 17.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 2% (b) 8% (c) 1% (d) 3%
18. 18.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
19. 19.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 2% (b) 3% (c) 8% (d) 1%
20. 20.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
21. 21.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹1500 (b) ₹250 (c) ₹6250 (d) ₹1250
22. 22.In how many years will ₹6000 earn ₹1680 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
23. 23.₹2000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2120 (b) ₹2480 (c) ₹2600 (d) ₹480
24. 24.₹6500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹7150 (c) ₹9750 (d) ₹10400
25. 25.₹10000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹12100 (b) ₹1400 (c) ₹11400 (d) ₹10700
26. 26.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹3360 (c) ₹4440 (d) ₹4080
27. 27.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%
28. 28.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹11100 (b) ₹900 (c) ₹4500 (d) ₹3600
29. 29.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8800 (b) ₹10400 (c) ₹1600 (d) ₹9600
30. 30.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 5% (b) 15% (c) 6% (d) 4%
31. 31.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹1100 (b) ₹3325 (c) ₹275 (d) ₹825
32. 32.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹10400 (b) ₹600 (c) ₹200 (d) ₹400
33. 33.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
34. 34.In how many years will ₹5000 earn ₹300 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
35. 35.In how many years will ₹4000 earn ₹800 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
36. 36.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹9425 (b) ₹585 (c) ₹2925 (d) ₹3510
37. 37.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6380 (b) ₹6820 (c) ₹5940 (d) ₹880
38. 38.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹2650 (b) ₹50 (c) ₹200 (d) ₹150
39. 39.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹10400 (b) ₹10000 (c) ₹2000 (d) ₹8400
40. 40.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹300 (b) ₹200 (c) ₹2200 (d) ₹100

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