Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 127 · 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 ₹1500 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
2. 2.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹280 (b) ₹210 (c) ₹3710 (d) ₹70
3. 3.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
4. 4.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹150 (c) ₹1100 (d) ₹100
5. 5.What is the simple interest on ₹7000 at 5% per year for 2 years? (a) ₹350 (b) ₹1050 (c) ₹700 (d) ₹7700
6. 6.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 8% (b) 6% (c) 28% (d) 7%
7. 7.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
8. 8.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
9. 9.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8840 (b) ₹10540 (c) ₹10200 (d) ₹1700
10. 10.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 18%
11. 11.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
12. 12.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
13. 13.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹8700 (c) ₹9240 (d) ₹6540
14. 14.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹600 (b) ₹1200 (c) ₹11200 (d) ₹1800
15. 15.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11050 (b) ₹10200 (c) ₹9350 (d) ₹1700
16. 16.In how many years will ₹4500 earn ₹1350 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
17. 17.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
18. 18.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹1375 (c) ₹275 (d) ₹1100
19. 19.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 9% (b) 36% (c) 10% (d) 8%
20. 20.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
21. 21.What is the simple interest on ₹1500 at 2% per year for 4 years? (a) ₹1620 (b) ₹150 (c) ₹30 (d) ₹120
22. 22.₹1500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1860 (b) ₹1590 (c) ₹1950 (d) ₹360
23. 23.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
24. 24.In how many years will ₹4000 earn ₹480 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
25. 25.The simple interest on ₹4000 for 2 years is ₹800. What is the rate per year? (a) 20% (b) 9% (c) 11% (d) 10%
26. 26.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹3060 (b) ₹510 (c) ₹11050 (d) ₹2550
27. 27.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
28. 28.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 60% (b) 12% (c) 11% (d) 13%
29. 29.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
30. 30.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹7440 (c) ₹6960 (d) ₹6480
31. 31.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹1160 (c) ₹1200 (d) ₹1040
32. 32.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹12320 (c) ₹8720 (d) ₹11600
33. 33.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3920
34. 34.The simple interest on ₹1500 for 5 years is ₹750. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 50%
35. 35.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
36. 36.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
37. 37.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹270 (b) ₹90 (c) ₹3270 (d) ₹360
38. 38.In how many years will ₹8000 earn ₹800 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
39. 39.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
40. 40.In how many years will ₹9500 earn ₹1710 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years

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