Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 272 · 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.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹3300 (c) ₹4800 (d) ₹4500
2. 2.What is the simple interest on ₹9000 at 3% per year for 2 years? (a) ₹270 (b) ₹810 (c) ₹9540 (d) ₹540
3. 3.In how many years will ₹9500 earn ₹4180 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
4. 4.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
5. 5.₹9500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1520 (b) ₹11400 (c) ₹9880 (d) ₹11020
6. 6.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%
7. 7.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
8. 8.The simple interest on ₹10000 for 5 years is ₹3500. What is the rate per year? (a) 35% (b) 6% (c) 8% (d) 7%
9. 9.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
10. 10.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹1600 (c) ₹1720 (d) ₹1120
11. 11.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
12. 12.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
13. 13.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹990 (b) ₹5490 (c) ₹1485 (d) ₹495
14. 14.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
15. 15.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
16. 16.₹1500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹1620 (c) ₹2100 (d) ₹2220
17. 17.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
18. 18.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3900 (b) ₹3150 (c) ₹750 (d) ₹3750
19. 19.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
20. 20.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹660 (b) ₹3330 (c) ₹3660 (d) ₹3990
21. 21.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹9100 (b) ₹520 (c) ₹3120 (d) ₹2600
22. 22.The simple interest on ₹3500 for 5 years is ₹875. What is the rate per year? (a) 6% (b) 4% (c) 25% (d) 5%
23. 23.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 25% (b) 4% (c) 5% (d) 6%
24. 24.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
25. 25.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9880 (b) ₹760 (c) ₹10640 (d) ₹10260
26. 26.The simple interest on ₹2500 for 5 years is ₹1000. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
27. 27.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11880 (b) ₹11160 (c) ₹9720 (d) ₹2160
28. 28.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
29. 29.The simple interest on ₹3000 for 5 years is ₹450. What is the rate per year? (a) 3% (b) 15% (c) 2% (d) 4%
30. 30.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹1210 (c) ₹605 (d) ₹6710
31. 31.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 6% (b) 14% (c) 8% (d) 7%
32. 32.In how many years will ₹8500 earn ₹2720 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
33. 33.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹1060 (b) ₹80 (c) ₹20 (d) ₹60
34. 34.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
35. 35.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
36. 36.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹1000 (b) ₹10800 (c) ₹800 (d) ₹200
37. 37.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹1060 (c) ₹60 (d) ₹1020
38. 38.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹10640 (b) ₹4560 (c) ₹14060 (d) ₹15200
39. 39.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹1800 (c) ₹300 (d) ₹75
40. 40.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 15%

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