Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 741 · 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 ₹3000 at 4% per year for 4 years? (a) ₹480 (b) ₹120 (c) ₹3480 (d) ₹600
2. 2.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹2300 (b) ₹300 (c) ₹400 (d) ₹100
3. 3.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹3740 (b) ₹2805 (c) ₹935 (d) ₹11305
4. 4.₹3000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹4980 (c) ₹3330 (d) ₹4650
5. 5.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
6. 6.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
7. 7.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹1200 (b) ₹1500 (c) ₹300 (d) ₹6200
8. 8.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 11% (b) 10% (c) 33% (d) 12%
9. 9.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
10. 10.The simple interest on ₹4500 for 4 years is ₹1260. What is the rate per year? (a) 28% (b) 6% (c) 8% (d) 7%
11. 11.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9100 (b) ₹7150 (c) ₹9750 (d) ₹2600
12. 12.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹150 (b) ₹2650 (c) ₹225 (d) ₹75
13. 13.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹6480 (c) ₹7440 (d) ₹6960
14. 14.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7650 (b) ₹7950 (c) ₹7800 (d) ₹300
15. 15.The simple interest on ₹7500 for 2 years is ₹1050. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
16. 16.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
17. 17.The simple interest on ₹6500 for 5 years is ₹3575. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
18. 18.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 20%
19. 19.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
20. 20.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
21. 21.What is the simple interest on ₹7000 at 3% per year for 4 years? (a) ₹1050 (b) ₹7840 (c) ₹210 (d) ₹840
22. 22.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹720 (b) ₹3720 (c) ₹240 (d) ₹960
23. 23.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 44% (b) 12% (c) 11% (d) 10%
24. 24.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
25. 25.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹960 (b) ₹1200 (c) ₹3960 (d) ₹240
26. 26.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹300 (c) ₹600 (d) ₹900
27. 27.The simple interest on ₹4000 for 3 years is ₹360. What is the rate per year? (a) 3% (b) 9% (c) 4% (d) 2%
28. 28.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹2725 (b) ₹75 (c) ₹225 (d) ₹300
29. 29.The simple interest on ₹8000 for 4 years is ₹3840. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 48%
30. 30.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹5720 (b) ₹330 (c) ₹220 (d) ₹110
31. 31.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3920
32. 32.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
33. 33.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
34. 34.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹1485 (b) ₹990 (c) ₹5490 (d) ₹495
35. 35.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
36. 36.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹3960 (b) ₹3300 (c) ₹9300 (d) ₹660
37. 37.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 10%
38. 38.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹210 (c) ₹1210 (d) ₹280
39. 39.₹9000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹12600 (b) ₹9720 (c) ₹2880 (d) ₹11880
40. 40.In how many years will ₹3500 earn ₹700 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years

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