Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 596 · 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.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
2. 2.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
3. 3.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹1575 (b) ₹1260 (c) ₹4760 (d) ₹315
4. 4.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹3500 (b) ₹12800 (c) ₹700 (d) ₹2800
5. 5.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6400 (b) ₹5350 (c) ₹1400 (d) ₹6750
6. 6.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹3120 (c) ₹3360 (d) ₹3480
7. 7.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
8. 8.₹8500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9350 (b) ₹8925 (c) ₹9775 (d) ₹850
9. 9.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹385 (c) ₹1925 (d) ₹5425
10. 10.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹7700 (b) ₹11200 (c) ₹3500 (d) ₹10500
11. 11.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹5700 (c) ₹6840 (d) ₹1140
12. 12.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹480 (b) ₹1440 (c) ₹9440 (d) ₹1920
13. 13.What is the simple interest on ₹5500 at 7% per year for 5 years? (a) ₹1925 (b) ₹385 (c) ₹7425 (d) ₹2310
14. 14.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
15. 15.The simple interest on ₹4000 for 3 years is ₹1200. What is the rate per year? (a) 11% (b) 10% (c) 30% (d) 9%
16. 16.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2900 (b) ₹300 (c) ₹2600 (d) ₹2800
17. 17.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹280 (d) ₹3780
18. 18.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
19. 19.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹1950 (b) ₹1625 (c) ₹8125 (d) ₹325
20. 20.In how many years will ₹4500 earn ₹2025 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
21. 21.₹9500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹11020 (b) ₹9880 (c) ₹11400 (d) ₹1520
22. 22.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹3480 (d) ₹480
23. 23.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹6360 (c) ₹6720 (d) ₹720
24. 24.In how many years will ₹4000 earn ₹160 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
25. 25.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹3090 (c) ₹3450 (d) ₹360
26. 26.₹9000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹9180 (c) ₹9900 (d) ₹10080
27. 27.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 30% (b) 5% (c) 6% (d) 7%
28. 28.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹160 (c) ₹2040 (d) ₹2160
29. 29.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
30. 30.The simple interest on ₹4500 for 4 years is ₹1800. What is the rate per year? (a) 10% (b) 40% (c) 9% (d) 11%
31. 31.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹275 (b) ₹6050 (c) ₹550 (d) ₹825
32. 32.What is the simple interest on ₹4000 at 6% per year for 5 years? (a) ₹240 (b) ₹5200 (c) ₹1440 (d) ₹1200
33. 33.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹4800 (b) ₹3600 (c) ₹1200 (d) ₹13600
34. 34.In how many years will ₹9500 earn ₹2280 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
35. 35.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹960 (b) ₹720 (c) ₹4720 (d) ₹240
36. 36.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
37. 37.The simple interest on ₹7000 for 2 years is ₹1400. What is the rate per year? (a) 20% (b) 10% (c) 11% (d) 9%
38. 38.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4400 (b) ₹400 (c) ₹4200 (d) ₹4600
39. 39.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹280 (b) ₹840 (c) ₹560 (d) ₹4060
40. 40.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%

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