Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 716 · 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.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹340 (b) ₹8670 (c) ₹8840 (d) ₹9010
2. 2.The simple interest on ₹7000 for 4 years is ₹560. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
3. 3.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 4% (b) 3% (c) 20% (d) 5%
4. 4.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
5. 5.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
6. 6.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
7. 7.In how many years will ₹7500 earn ₹3750 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
8. 8.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9860 (b) ₹10540 (c) ₹9180 (d) ₹1360
9. 9.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹2700 (b) ₹11700 (c) ₹3240 (d) ₹540
10. 10.₹4500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5850 (b) ₹4770 (c) ₹5580 (d) ₹1080
11. 11.What is the simple interest on ₹7500 at 11% per year for 4 years? (a) ₹10800 (b) ₹825 (c) ₹3300 (d) ₹4125
12. 12.The simple interest on ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 12% (b) 36% (c) 13% (d) 11%
13. 13.What is the simple interest on ₹5500 at 3% per year for 4 years? (a) ₹165 (b) ₹660 (c) ₹825 (d) ₹6160
14. 14.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 5% (b) 3% (c) 12% (d) 4%
15. 15.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 12% (b) 10% (c) 33% (d) 11%
16. 16.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹1650 (b) ₹330 (c) ₹1320 (d) ₹6820
17. 17.In how many years will ₹4500 earn ₹450 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
18. 18.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
19. 19.What is the simple interest on ₹4500 at 10% per year for 5 years? (a) ₹450 (b) ₹2250 (c) ₹6750 (d) ₹2700
20. 20.In how many years will ₹7500 earn ₹3000 simple interest at 8% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
21. 21.In how many years will ₹10000 earn ₹1400 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
22. 22.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
23. 23.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹10160 (b) ₹2160 (c) ₹2880 (d) ₹720
24. 24.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
25. 25.The simple interest on ₹7000 for 2 years is ₹980. What is the rate per year? (a) 8% (b) 7% (c) 14% (d) 6%
26. 26.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%
27. 27.What is the simple interest on ₹3500 at 10% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹5250 (d) ₹1750
28. 28.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
29. 29.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹5400 (b) ₹900 (c) ₹225 (d) ₹1125
30. 30.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹250 (b) ₹1000 (c) ₹3250 (d) ₹750
31. 31.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
32. 32.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 30%
33. 33.What is the simple interest on ₹6500 at 6% per year for 4 years? (a) ₹1950 (b) ₹390 (c) ₹8060 (d) ₹1560
34. 34.In how many years will ₹3500 earn ₹560 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
35. 35.The simple interest on ₹2500 for 3 years is ₹300. What is the rate per year? (a) 3% (b) 12% (c) 5% (d) 4%
36. 36.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹1080 (b) ₹270 (c) ₹3810 (d) ₹810
37. 37.The simple interest on ₹6500 for 2 years is ₹1430. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
38. 38.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹160 (b) ₹40 (c) ₹120 (d) ₹1120
39. 39.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
40. 40.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9075 (b) ₹1050 (c) ₹8550 (d) ₹8025

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