Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 787 · 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 ₹3500 for 5 years is ₹350. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
2. 2.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9360 (b) ₹720 (c) ₹10080 (d) ₹9720
3. 3.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹125 (b) ₹500 (c) ₹3000 (d) ₹625
4. 4.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
5. 5.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
6. 6.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 32% (b) 8% (c) 7% (d) 9%
7. 7.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8175 (b) ₹9525 (c) ₹2025 (d) ₹10200
8. 8.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5040 (b) ₹4590 (c) ₹450 (d) ₹4950
9. 9.The simple interest on ₹9500 for 4 years is ₹3040. What is the rate per year? (a) 32% (b) 9% (c) 8% (d) 7%
10. 10.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
11. 11.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹280 (b) ₹4060 (c) ₹840 (d) ₹560
12. 12.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹12635 (b) ₹2090 (c) ₹10545 (d) ₹11590
13. 13.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
14. 14.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹6050 (c) ₹5610 (d) ₹6160
15. 15.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹9180 (b) ₹1020 (c) ₹680 (d) ₹340
16. 16.₹4500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹7200 (b) ₹4950 (c) ₹2250 (d) ₹6750
17. 17.The simple interest on ₹2000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 6% (c) 30% (d) 7%
18. 18.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹1750 (b) ₹6400 (c) ₹350 (d) ₹1400
19. 19.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
20. 20.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
21. 21.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹2925 (b) ₹3510 (c) ₹9425 (d) ₹585
22. 22.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
23. 23.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
24. 24.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹450 (b) ₹8400 (c) ₹1350 (d) ₹900
25. 25.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹360 (b) ₹90 (c) ₹4770 (d) ₹270
26. 26.₹5500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹6655 (b) ₹7040 (c) ₹5885 (d) ₹1155
27. 27.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9280 (b) ₹960 (c) ₹8320 (d) ₹8960
28. 28.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1180 (b) ₹1030 (c) ₹1150 (d) ₹150
29. 29.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1140 (b) ₹1425 (c) ₹10640 (d) ₹285
30. 30.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 11% (b) 13% (c) 36% (d) 12%
31. 31.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
32. 32.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹11600 (b) ₹2000 (c) ₹1600 (d) ₹400
33. 33.What is the simple interest on ₹10000 at 12% per year for 5 years? (a) ₹7200 (b) ₹6000 (c) ₹1200 (d) ₹16000
34. 34.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9000 (b) ₹8625 (c) ₹7875 (d) ₹1125
35. 35.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹450 (b) ₹225 (c) ₹675 (d) ₹7950
36. 36.₹4000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹6000 (c) ₹5600 (d) ₹1600
37. 37.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹8480 (c) ₹8160 (d) ₹480
38. 38.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
39. 39.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 40%
40. 40.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹200 (b) ₹240 (c) ₹40 (d) ₹2200

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