Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 902 · 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 ₹8500 for 4 years is ₹4080. What is the rate per year? (a) 13% (b) 48% (c) 11% (d) 12%
2. 2.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹500 (b) ₹125 (c) ₹625 (d) ₹3000
3. 3.₹9500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11780 (b) ₹9880 (c) ₹11400 (d) ₹1900
4. 4.The simple interest on ₹5500 for 4 years is ₹2420. What is the rate per year? (a) 12% (b) 44% (c) 11% (d) 10%
5. 5.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
6. 6.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
7. 7.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹80 (b) ₹320 (c) ₹1320 (d) ₹400
8. 8.What is the simple interest on ₹6000 at 6% per year for 3 years? (a) ₹1080 (b) ₹7080 (c) ₹360 (d) ₹1440
9. 9.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹1590 (c) ₹90 (d) ₹45
10. 10.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
11. 11.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
12. 12.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
13. 13.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
14. 14.In how many years will ₹4000 earn ₹480 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
15. 15.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹250 (b) ₹6250 (c) ₹1250 (d) ₹1500
16. 16.What is the simple interest on ₹5500 at 10% per year for 4 years? (a) ₹550 (b) ₹2200 (c) ₹2750 (d) ₹7700
17. 17.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
18. 18.₹9500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10925 (b) ₹1140 (c) ₹10640 (d) ₹9785
19. 19.₹2000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹2180 (c) ₹2900 (d) ₹3080
20. 20.In how many years will ₹6500 earn ₹1950 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
21. 21.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2360 (b) ₹2240 (c) ₹2120 (d) ₹240
22. 22.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹1140 (c) ₹9880 (d) ₹11020
23. 23.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹7280 (c) ₹8120 (d) ₹8400
24. 24.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
25. 25.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹180 (b) ₹3180 (c) ₹90 (d) ₹270
26. 26.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹300 (b) ₹100 (c) ₹200 (d) ₹5200
27. 27.In how many years will ₹3500 earn ₹1050 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
28. 28.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
29. 29.The simple interest on ₹4000 for 3 years is ₹1080. What is the rate per year? (a) 10% (b) 27% (c) 8% (d) 9%
30. 30.In how many years will ₹7500 earn ₹600 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
31. 31.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹3600 (c) ₹3450 (d) ₹3150
32. 32.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1120 (c) ₹1180 (d) ₹120
33. 33.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
34. 34.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
35. 35.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
36. 36.₹9000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10080 (b) ₹2160 (c) ₹11160 (d) ₹12240
37. 37.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹5130 (b) ₹630 (c) ₹315 (d) ₹945
38. 38.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹1240 (c) ₹160 (d) ₹1160
39. 39.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 6% (b) 7% (c) 14% (d) 8%
40. 40.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹420 (b) ₹140 (c) ₹560 (d) ₹2420

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