Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 577 · 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.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹12000 (b) ₹1000 (c) ₹3000 (d) ₹2000
2. 2.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹6655 (b) ₹1155 (c) ₹385 (d) ₹1540
3. 3.₹7000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹700 (b) ₹7140 (c) ₹7700 (d) ₹7840
4. 4.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹120 (b) ₹360 (c) ₹240 (d) ₹1740
5. 5.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹45 (b) ₹180 (c) ₹225 (d) ₹1680
6. 6.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹4400 (b) ₹80 (c) ₹400 (d) ₹480
7. 7.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 10% (b) 9% (c) 36% (d) 8%
8. 8.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
9. 9.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
10. 10.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹525 (b) ₹1920 (c) ₹105 (d) ₹420
11. 11.In how many years will ₹7500 earn ₹2700 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
12. 12.₹3500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3675 (b) ₹4375 (c) ₹875 (d) ₹4550
13. 13.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹4320 (d) ₹80
14. 14.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5175 (b) ₹5400 (c) ₹675 (d) ₹4725
15. 15.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
16. 16.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹900 (b) ₹300 (c) ₹8400 (d) ₹1200
17. 17.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹300 (b) ₹360 (c) ₹1800 (d) ₹60
18. 18.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9810 (b) ₹1620 (c) ₹10620 (d) ₹11430
19. 19.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹2280 (b) ₹760 (c) ₹1520 (d) ₹11020
20. 20.The simple interest on ₹4500 for 4 years is ₹1620. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
21. 21.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹1375 (c) ₹275 (d) ₹1100
22. 22.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
23. 23.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 16%
24. 24.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 30% (b) 5% (c) 7% (d) 6%
25. 25.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5120 (b) ₹1120 (c) ₹5400 (d) ₹4280
26. 26.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹4550 (b) ₹700 (c) ₹4200 (d) ₹3850
27. 27.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹10795 (b) ₹765 (c) ₹2295 (d) ₹3060
28. 28.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
29. 29.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
30. 30.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
31. 31.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
32. 32.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2080 (b) ₹2240 (c) ₹160 (d) ₹2160
33. 33.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹675 (b) ₹900 (c) ₹5175 (d) ₹225
34. 34.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3150 (b) ₹3750 (c) ₹3900 (d) ₹750
35. 35.What is the simple interest on ₹7000 at 8% per year for 4 years? (a) ₹2240 (b) ₹9240 (c) ₹2800 (d) ₹560
36. 36.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹1210 (b) ₹70 (c) ₹210 (d) ₹280
37. 37.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹120 (c) ₹360 (d) ₹240
38. 38.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
39. 39.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
40. 40.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹2250 (b) ₹900 (c) ₹750 (d) ₹150

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