Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 711 · 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.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹4770 (c) ₹180 (d) ₹4590
2. 2.In how many years will ₹2500 earn ₹800 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
3. 3.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹1275 (c) ₹9775 (d) ₹8755
4. 4.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3400 (b) ₹3100 (c) ₹600 (d) ₹2800
5. 5.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
6. 6.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
7. 7.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹10070 (b) ₹190 (c) ₹760 (d) ₹570
8. 8.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
9. 9.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹4445 (b) ₹945 (c) ₹315 (d) ₹1260
10. 10.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1180 (b) ₹120 (c) ₹1060 (d) ₹1120
11. 11.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
12. 12.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8625 (b) ₹7875 (c) ₹8250 (d) ₹750
13. 13.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹540 (b) ₹5040 (c) ₹810 (d) ₹270
14. 14.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
15. 15.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
16. 16.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6875 (b) ₹6600 (c) ₹1100 (d) ₹5775
17. 17.The simple interest on ₹9000 for 5 years is ₹4050. What is the rate per year? (a) 45% (b) 8% (c) 9% (d) 10%
18. 18.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1480 (b) ₹1600 (c) ₹480 (d) ₹1120
19. 19.The simple interest on ₹4500 for 4 years is ₹1260. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 28%
20. 20.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 14%
21. 21.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
22. 22.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹160 (b) ₹640 (c) ₹480 (d) ₹8480
23. 23.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
24. 24.What is the simple interest on ₹4000 at 7% per year for 3 years? (a) ₹280 (b) ₹4840 (c) ₹840 (d) ₹1120
25. 25.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
26. 26.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 55%
27. 27.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹1080 (b) ₹540 (c) ₹1620 (d) ₹10080
28. 28.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹30 (b) ₹1650 (c) ₹180 (d) ₹150
29. 29.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹3090 (c) ₹3450 (d) ₹360
30. 30.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹900 (b) ₹9900 (c) ₹1350 (d) ₹450
31. 31.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹6300 (c) ₹7800 (d) ₹7500
32. 32.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9270 (b) ₹540 (c) ₹9810 (d) ₹9540
33. 33.₹4500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5850 (b) ₹6120 (c) ₹4770 (d) ₹1350
34. 34.What is the simple interest on ₹2500 at 9% per year for 4 years? (a) ₹1125 (b) ₹225 (c) ₹900 (d) ₹3400
35. 35.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹1125 (b) ₹900 (c) ₹225 (d) ₹5400
36. 36.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
37. 37.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹7560 (b) ₹10360 (c) ₹2800 (d) ₹9800
38. 38.₹4000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4600 (b) ₹4720 (c) ₹600 (d) ₹4120
39. 39.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8450 (b) ₹1300 (c) ₹7150 (d) ₹7800
40. 40.In how many years will ₹1000 earn ₹280 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years

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