Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 968 · 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 ₹7000 for 2 years is ₹700. What is the rate per year? (a) 10% (b) 5% (c) 6% (d) 4%
2. 2.The simple interest on ₹3000 for 4 years is ₹1200. What is the rate per year? (a) 10% (b) 40% (c) 9% (d) 11%
3. 3.₹6000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹6360 (c) ₹6120 (d) ₹6480
4. 4.₹3000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹4080 (c) ₹3810 (d) ₹3270
5. 5.In how many years will ₹9000 earn ₹2160 simple interest at 6% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
6. 6.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹700 (b) ₹140 (c) ₹2700 (d) ₹840
7. 7.The simple interest on ₹5000 for 5 years is ₹2750. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
8. 8.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 10%
9. 9.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
10. 10.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹800 (b) ₹1600 (c) ₹11600 (d) ₹2400
11. 11.What is the simple interest on ₹10000 at 5% per year for 4 years? (a) ₹2000 (b) ₹500 (c) ₹2500 (d) ₹12000
12. 12.In how many years will ₹8000 earn ₹1440 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
13. 13.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹140 (c) ₹4060 (d) ₹560
14. 14.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8755 (b) ₹1275 (c) ₹10030 (d) ₹9775
15. 15.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2125 (b) ₹10625 (c) ₹2550 (d) ₹425
16. 16.₹5500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3025 (b) ₹8525 (c) ₹6105 (d) ₹9130
17. 17.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 3% (b) 2% (c) 15% (d) 4%
18. 18.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹7420 (b) ₹210 (c) ₹420 (d) ₹630
19. 19.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
20. 20.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
21. 21.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹300 (b) ₹2240 (c) ₹60 (d) ₹240
22. 22.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
23. 23.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
24. 24.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
25. 25.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
26. 26.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹4080 (b) ₹1350 (c) ₹1080 (d) ₹270
27. 27.₹10000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹10500 (b) ₹13000 (c) ₹2500 (d) ₹12500
28. 28.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
29. 29.In how many years will ₹2000 earn ₹900 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
30. 30.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
31. 31.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹300 (d) ₹8400
32. 32.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹130 (b) ₹7020 (c) ₹650 (d) ₹520
33. 33.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3150 (b) ₹3450 (c) ₹3300 (d) ₹300
34. 34.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹1725 (c) ₹180 (d) ₹1545
35. 35.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹2800 (c) ₹2200 (d) ₹800
36. 36.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹10360 (b) ₹4200 (c) ₹3360 (d) ₹840
37. 37.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 14% (c) 8% (d) 7%
38. 38.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹11200 (c) ₹11840 (d) ₹8640
39. 39.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 9% (b) 8% (c) 16% (d) 7%
40. 40.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years

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