Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 504 · 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 ₹4000 earn ₹960 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
2. 2.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
3. 3.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹12065 (b) ₹855 (c) ₹3420 (d) ₹2565
4. 4.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2080 (b) ₹2160 (c) ₹160 (d) ₹2240
5. 5.The simple interest on ₹7500 for 3 years is ₹675. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
6. 6.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 5% (b) 6% (c) 25% (d) 4%
7. 7.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
8. 8.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
9. 9.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
10. 10.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹1750 (b) ₹350 (c) ₹1400 (d) ₹8400
11. 11.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹80 (b) ₹400 (c) ₹1400 (d) ₹480
12. 12.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3100 (b) ₹500 (c) ₹3000 (d) ₹2600
13. 13.What is the simple interest on ₹9500 at 8% per year for 4 years? (a) ₹12540 (b) ₹760 (c) ₹3040 (d) ₹3800
14. 14.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
15. 15.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹1560 (c) ₹300 (d) ₹1860
16. 16.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹4560 (b) ₹3800 (c) ₹13300 (d) ₹760
17. 17.What is the simple interest on ₹6500 at 7% per year for 4 years? (a) ₹2275 (b) ₹8320 (c) ₹455 (d) ₹1820
18. 18.The simple interest on ₹7500 for 2 years is ₹450. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
19. 19.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹2280 (b) ₹760 (c) ₹11020 (d) ₹1520
20. 20.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹750 (b) ₹250 (c) ₹500 (d) ₹3000
21. 21.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹1680 (c) ₹1530 (d) ₹150
22. 22.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹120 (c) ₹360 (d) ₹240
23. 23.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
24. 24.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3625 (b) ₹900 (c) ₹3400 (d) ₹2725
25. 25.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3570 (c) ₹3710 (d) ₹3640
26. 26.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹675 (b) ₹3175 (c) ₹225 (d) ₹900
27. 27.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 5% (b) 12% (c) 3% (d) 4%
28. 28.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
29. 29.In how many years will ₹4500 earn ₹945 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
30. 30.What is the simple interest on ₹4000 at 7% per year for 3 years? (a) ₹4840 (b) ₹280 (c) ₹1120 (d) ₹840
31. 31.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹9360 (b) ₹180 (c) ₹360 (d) ₹540
32. 32.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹380 (b) ₹570 (c) ₹190 (d) ₹9880
33. 33.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹380 (b) ₹10260 (c) ₹1140 (d) ₹760
34. 34.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1020 (b) ₹1100 (c) ₹1120 (d) ₹100
35. 35.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹550 (b) ₹440 (c) ₹110 (d) ₹5940
36. 36.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
37. 37.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9100 (b) ₹7150 (c) ₹8450 (d) ₹1950
38. 38.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7420 (b) ₹9100 (c) ₹8680 (d) ₹1680
39. 39.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹3780 (b) ₹10150 (c) ₹630 (d) ₹3150
40. 40.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹135 (b) ₹2040 (c) ₹675 (d) ₹540

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