Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 810 · 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 ₹3000 for 3 years is ₹990. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
2. 2.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹8800 (b) ₹1200 (c) ₹400 (d) ₹800
3. 3.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹7800 (b) ₹1950 (c) ₹650 (d) ₹1300
4. 4.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
5. 5.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
6. 6.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
7. 7.In how many years will ₹5500 earn ₹1320 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
8. 8.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 6% (b) 5% (c) 20% (d) 4%
9. 9.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
10. 10.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
11. 11.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹8680 (b) ₹1680 (c) ₹2240 (d) ₹560
12. 12.The simple interest on ₹9500 for 5 years is ₹2375. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
13. 13.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹4720 (b) ₹720 (c) ₹960 (d) ₹240
14. 14.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 12% (b) 5% (c) 3% (d) 4%
15. 15.The simple interest on ₹5500 for 5 years is ₹3300. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 60%
16. 16.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹360 (b) ₹1360 (c) ₹480 (d) ₹120
17. 17.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
18. 18.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹9180 (b) ₹680 (c) ₹340 (d) ₹1020
19. 19.In how many years will ₹4000 earn ₹1080 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
20. 20.In how many years will ₹9000 earn ₹1890 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
21. 21.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹1020 (c) ₹8840 (d) ₹9860
22. 22.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹1080 (b) ₹360 (c) ₹10080 (d) ₹1440
23. 23.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹2060 (c) ₹2300 (d) ₹2240
24. 24.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
25. 25.The simple interest on ₹1500 for 4 years is ₹600. What is the rate per year? (a) 9% (b) 10% (c) 40% (d) 11%
26. 26.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%
27. 27.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹2420 (b) ₹420 (c) ₹140 (d) ₹560
28. 28.The simple interest on ₹3500 for 4 years is ₹1540. What is the rate per year? (a) 10% (b) 11% (c) 44% (d) 12%
29. 29.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9120 (b) ₹8560 (c) ₹1120 (d) ₹9680
30. 30.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹450 (b) ₹2800 (c) ₹150 (d) ₹300
31. 31.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
32. 32.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹1280 (b) ₹280 (c) ₹350 (d) ₹70
33. 33.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹9520 (b) ₹1360 (c) ₹340 (d) ₹1020
34. 34.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹1600 (c) ₹1500 (d) ₹1100
35. 35.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹450 (b) ₹900 (c) ₹8400 (d) ₹1350
36. 36.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
37. 37.In how many years will ₹9500 earn ₹2565 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
38. 38.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
39. 39.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2875 (b) ₹2625 (c) ₹2750 (d) ₹250
40. 40.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years

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