Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 204 · 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 ₹6000 at 5% per year for 4 years? (a) ₹1200 (b) ₹300 (c) ₹7200 (d) ₹1500
2. 2.In how many years will ₹6000 earn ₹2640 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
3. 3.The simple interest on ₹4500 for 2 years is ₹630. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 14%
4. 4.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹495 (b) ₹1980 (c) ₹6985 (d) ₹1485
5. 5.What is the simple interest on ₹6500 at 11% per year for 4 years? (a) ₹715 (b) ₹2860 (c) ₹3575 (d) ₹9360
6. 6.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
7. 7.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
8. 8.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
9. 9.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
10. 10.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
11. 11.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
12. 12.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8840 (b) ₹680 (c) ₹9180 (d) ₹9520
13. 13.The simple interest on ₹5000 for 2 years is ₹900. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
14. 14.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹8100 (b) ₹2100 (c) ₹2520 (d) ₹420
15. 15.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹1260 (b) ₹1050 (c) ₹4050 (d) ₹210
16. 16.In how many years will ₹8500 earn ₹3060 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
17. 17.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹1440 (b) ₹1800 (c) ₹10440 (d) ₹360
18. 18.₹4000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹6400 (b) ₹4480 (c) ₹5920 (d) ₹1920
19. 19.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8450 (b) ₹1950 (c) ₹9100 (d) ₹7150
20. 20.In how many years will ₹9000 earn ₹900 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
21. 21.In how many years will ₹4000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
22. 22.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹70 (b) ₹3710 (c) ₹280 (d) ₹210
23. 23.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹585 (b) ₹7085 (c) ₹6695 (d) ₹7280
24. 24.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹390 (b) ₹7085 (c) ₹6695 (d) ₹6890
25. 25.In how many years will ₹4500 earn ₹1485 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
26. 26.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
27. 27.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹900 (b) ₹3600 (c) ₹4500 (d) ₹11100
28. 28.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
29. 29.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹360 (b) ₹450 (c) ₹90 (d) ₹1860
30. 30.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 10% (b) 11% (c) 55% (d) 12%
31. 31.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹4500 (b) ₹1800 (c) ₹1500 (d) ₹300
32. 32.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4050 (b) ₹4260 (c) ₹1050 (d) ₹3210
33. 33.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹3400 (b) ₹680 (c) ₹4080 (d) ₹11900
34. 34.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 9% (b) 50% (c) 10% (d) 11%
35. 35.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
36. 36.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10880 (b) ₹8720 (c) ₹2880 (d) ₹11600
37. 37.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹14060 (b) ₹3800 (c) ₹10260 (d) ₹13300
38. 38.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
39. 39.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
40. 40.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years

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