Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 545 · 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 12% per year for 3 years? (a) ₹720 (b) ₹180 (c) ₹2040 (d) ₹540
2. 2.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹3600 (b) ₹12400 (c) ₹1200 (d) ₹2400
3. 3.₹8000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8800 (b) ₹11200 (c) ₹3200 (d) ₹12000
4. 4.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 11% (b) 44% (c) 12% (d) 10%
5. 5.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6270 (b) ₹6655 (c) ₹5885 (d) ₹770
6. 6.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5810 (b) ₹3885 (c) ₹5425 (d) ₹1925
7. 7.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹540 (b) ₹7620 (c) ₹2160 (d) ₹1620
8. 8.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹80 (b) ₹240 (c) ₹1160 (d) ₹160
9. 9.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
10. 10.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
11. 11.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹60 (b) ₹240 (c) ₹180 (d) ₹1680
12. 12.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹600 (b) ₹9000 (c) ₹3000 (d) ₹3600
13. 13.₹2000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹2540 (c) ₹2360 (d) ₹2180
14. 14.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2025 (b) ₹6525 (c) ₹6930 (d) ₹4905
15. 15.In how many years will ₹9500 earn ₹2565 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
16. 16.In how many years will ₹6000 earn ₹540 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
17. 17.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
18. 18.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 20% (b) 3% (c) 4% (d) 5%
19. 19.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
20. 20.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹520 (b) ₹390 (c) ₹6890 (d) ₹130
21. 21.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2675 (b) ₹3025 (c) ₹525 (d) ₹3200
22. 22.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹1350 (b) ₹420 (c) ₹70 (d) ₹350
23. 23.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
24. 24.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹3960 (c) ₹960 (d) ₹3240
25. 25.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
26. 26.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
27. 27.The simple interest on ₹5500 for 4 years is ₹1760. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 32%
28. 28.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹3000 (b) ₹2400 (c) ₹12400 (d) ₹600
29. 29.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9240 (b) ₹9800 (c) ₹2240 (d) ₹7560
30. 30.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3210 (b) ₹3630 (c) ₹3840 (d) ₹630
31. 31.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4655 (b) ₹3885 (c) ₹770 (d) ₹4270
32. 32.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
33. 33.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
34. 34.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹1120 (b) ₹1680 (c) ₹9120 (d) ₹560
35. 35.In how many years will ₹4500 earn ₹1620 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
36. 36.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 16% (b) 4% (c) 3% (d) 5%
37. 37.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹700 (b) ₹4200 (c) ₹840 (d) ₹140
38. 38.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹80 (b) ₹2400 (c) ₹480 (d) ₹400
39. 39.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹315 (b) ₹3605 (c) ₹3920 (d) ₹3815
40. 40.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹4400 (b) ₹1100 (c) ₹13300 (d) ₹3300

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