Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 444 · 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.The simple interest on ₹7500 for 3 years is ₹1350. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 18%
2. 2.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
3. 3.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹2800 (b) ₹375 (c) ₹75 (d) ₹300
4. 4.In how many years will ₹5000 earn ₹2200 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
5. 5.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
6. 6.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹8800 (c) ₹3300 (d) ₹9460
7. 7.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹385 (b) ₹5040 (c) ₹1540 (d) ₹1925
8. 8.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹11020 (b) ₹760 (c) ₹2280 (d) ₹1520
9. 9.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹640 (b) ₹800 (c) ₹160 (d) ₹4640
10. 10.₹6500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10075 (b) ₹7215 (c) ₹2860 (d) ₹9360
11. 11.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 8%
12. 12.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹375 (b) ₹2750 (c) ₹125 (d) ₹250
13. 13.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1040 (b) ₹1020 (c) ₹1060 (d) ₹40
14. 14.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹720 (b) ₹600 (c) ₹120 (d) ₹4600
15. 15.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹360 (b) ₹720 (c) ₹1080 (d) ₹3720
16. 16.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
17. 17.₹6500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1950 (b) ₹8450 (c) ₹6890 (d) ₹8840
18. 18.In how many years will ₹4500 earn ₹900 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
19. 19.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹420 (b) ₹210 (c) ₹630 (d) ₹3420
20. 20.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹1680 (b) ₹9120 (c) ₹560 (d) ₹1120
21. 21.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
22. 22.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
23. 23.In how many years will ₹4000 earn ₹1920 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
24. 24.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
25. 25.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
26. 26.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹880 (b) ₹660 (c) ₹2660 (d) ₹220
27. 27.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹720 (b) ₹480 (c) ₹240 (d) ₹6480
28. 28.In how many years will ₹4000 earn ₹960 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
29. 29.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
30. 30.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 24%
31. 31.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹40 (b) ₹120 (c) ₹2120 (d) ₹160
32. 32.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
33. 33.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 5%
34. 34.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹320 (c) ₹2320 (d) ₹2160
35. 35.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹2800 (c) ₹600 (d) ₹3400
36. 36.In how many years will ₹7000 earn ₹1260 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
37. 37.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3300 (c) ₹3150 (d) ₹3450
38. 38.In how many years will ₹5500 earn ₹550 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
39. 39.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3630 (b) ₹3210 (c) ₹630 (d) ₹3840
40. 40.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹330 (b) ₹5665 (c) ₹5995 (d) ₹5830

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