Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 357 · 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 ₹1500 at 9% per year for 5 years? (a) ₹135 (b) ₹2175 (c) ₹810 (d) ₹675
2. 2.₹3000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹3720 (b) ₹540 (c) ₹3540 (d) ₹3180
3. 3.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
4. 4.₹7000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8050 (b) ₹700 (c) ₹7350 (d) ₹7700
5. 5.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
6. 6.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
7. 7.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5150 (b) ₹300 (c) ₹5450 (d) ₹5300
8. 8.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹90 (b) ₹540 (c) ₹4950 (d) ₹450
9. 9.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 12%
10. 10.In how many years will ₹10000 earn ₹5500 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
11. 11.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
12. 12.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹540 (b) ₹675 (c) ₹135 (d) ₹2040
13. 13.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹4760 (c) ₹3710 (d) ₹4550
14. 14.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹4960 (b) ₹320 (c) ₹1280 (d) ₹960
15. 15.In how many years will ₹5500 earn ₹1155 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
16. 16.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹11000 (b) ₹10800 (c) ₹800 (d) ₹10200
17. 17.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
18. 18.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
19. 19.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3060 (b) ₹3360 (c) ₹300 (d) ₹3300
20. 20.The simple interest on ₹4500 for 3 years is ₹1215. What is the rate per year? (a) 27% (b) 8% (c) 10% (d) 9%
21. 21.The simple interest on ₹5000 for 3 years is ₹300. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
22. 22.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹8250 (c) ₹10500 (d) ₹11250
23. 23.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
24. 24.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8755 (b) ₹9520 (c) ₹1020 (d) ₹9775
25. 25.What is the simple interest on ₹5500 at 10% per year for 3 years? (a) ₹550 (b) ₹2200 (c) ₹7150 (d) ₹1650
26. 26.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹175 (b) ₹700 (c) ₹4025 (d) ₹525
27. 27.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹1620 (b) ₹5580 (c) ₹1080 (d) ₹540
28. 28.In how many years will ₹1500 earn ₹450 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
29. 29.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 9% (b) 8% (c) 40% (d) 7%
30. 30.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹945 (b) ₹4445 (c) ₹3815 (d) ₹4760
31. 31.₹4500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹4770 (c) ₹4860 (d) ₹4590
32. 32.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
33. 33.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6820 (b) ₹990 (c) ₹5830 (d) ₹6490
34. 34.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
35. 35.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
36. 36.The simple interest on ₹9000 for 3 years is ₹2970. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
37. 37.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
38. 38.₹7000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹8400 (c) ₹8750 (d) ₹7350
39. 39.₹7000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1400 (b) ₹7700 (c) ₹8400 (d) ₹9100
40. 40.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹14000 (b) ₹5000 (c) ₹4000 (d) ₹1000

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