Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 412 · 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.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2360 (b) ₹240 (c) ₹2240 (d) ₹2120
2. 2.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹800 (c) ₹11000 (d) ₹10800
3. 3.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
4. 4.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹675 (b) ₹3175 (c) ₹225 (d) ₹900
5. 5.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3920
6. 6.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹135 (b) ₹405 (c) ₹4905 (d) ₹540
7. 7.The simple interest on ₹3000 for 3 years is ₹540. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 18%
8. 8.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1300 (b) ₹8450 (c) ₹7800 (d) ₹7150
9. 9.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹8840 (c) ₹9860 (d) ₹9520
10. 10.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
11. 11.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 15%
12. 12.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
13. 13.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹9435 (b) ₹13175 (c) ₹14110 (d) ₹4675
14. 14.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹1440 (b) ₹480 (c) ₹1920 (d) ₹5440
15. 15.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
16. 16.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹2120 (b) ₹120 (c) ₹180 (d) ₹60
17. 17.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹300 (b) ₹100 (c) ₹200 (d) ₹2200
18. 18.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹6960 (c) ₹6240 (d) ₹6720
19. 19.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹240 (b) ₹2240 (c) ₹300 (d) ₹60
20. 20.₹5000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7000 (b) ₹7500 (c) ₹5500 (d) ₹2000
21. 21.The simple interest on ₹9000 for 5 years is ₹3600. What is the rate per year? (a) 8% (b) 9% (c) 40% (d) 7%
22. 22.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 1%
23. 23.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
24. 24.What is the simple interest on ₹5500 at 12% per year for 5 years? (a) ₹3960 (b) ₹3300 (c) ₹660 (d) ₹8800
25. 25.In how many years will ₹10000 earn ₹4800 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
26. 26.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
27. 27.The simple interest on ₹8500 for 5 years is ₹4675. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
28. 28.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1270 (b) ₹1090 (c) ₹1360 (d) ₹270
29. 29.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5775 (b) ₹6325 (c) ₹6050 (d) ₹550
30. 30.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
31. 31.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
32. 32.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
33. 33.In how many years will ₹5500 earn ₹1650 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
34. 34.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹325 (b) ₹7475 (c) ₹975 (d) ₹1300
35. 35.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
36. 36.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹1600 (c) ₹8800 (d) ₹9600
37. 37.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 55%
38. 38.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹10625 (b) ₹425 (c) ₹2125 (d) ₹2550
39. 39.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
40. 40.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8450 (b) ₹1950 (c) ₹9100 (d) ₹7150

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