Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 533 · 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 ₹9500 at 8% per year for 4 years? (a) ₹760 (b) ₹3800 (c) ₹12540 (d) ₹3040
2. 2.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹6480 (b) ₹120 (c) ₹600 (d) ₹480
3. 3.The simple interest on ₹5500 for 4 years is ₹880. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
4. 4.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
5. 5.The simple interest on ₹5500 for 2 years is ₹1100. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
6. 6.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹975 (b) ₹195 (c) ₹7475 (d) ₹1170
7. 7.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹1125 (b) ₹8250 (c) ₹375 (d) ₹750
8. 8.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
9. 9.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹840 (b) ₹8680 (c) ₹1680 (d) ₹2520
10. 10.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 22% (b) 11% (c) 10% (d) 12%
11. 11.₹4500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹5445 (c) ₹5130 (d) ₹4815
12. 12.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4025 (b) ₹350 (c) ₹3850 (d) ₹3675
13. 13.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 12% (b) 11% (c) 33% (d) 10%
14. 14.The simple interest on ₹6500 for 3 years is ₹1950. What is the rate per year? (a) 30% (b) 11% (c) 10% (d) 9%
15. 15.In how many years will ₹10000 earn ₹2200 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
16. 16.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
17. 17.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6160 (b) ₹6380 (c) ₹5720 (d) ₹660
18. 18.In how many years will ₹5500 earn ₹880 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
19. 19.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3605 (b) ₹3815 (c) ₹210 (d) ₹3710
20. 20.The simple interest on ₹5000 for 3 years is ₹600. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
21. 21.In how many years will ₹4500 earn ₹900 simple interest at 5% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
22. 22.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹225 (c) ₹1575 (d) ₹1725
23. 23.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
24. 24.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
25. 25.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹405 (b) ₹5715 (c) ₹1620 (d) ₹1215
26. 26.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹1760 (b) ₹6820 (c) ₹440 (d) ₹1320
27. 27.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹14000 (b) ₹11000 (c) ₹13000 (d) ₹3000
28. 28.What is the simple interest on ₹6000 at 11% per year for 4 years? (a) ₹660 (b) ₹2640 (c) ₹8640 (d) ₹3300
29. 29.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
30. 30.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹7980 (b) ₹2640 (c) ₹660 (d) ₹1980
31. 31.In how many years will ₹7500 earn ₹1125 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
32. 32.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹660 (b) ₹110 (c) ₹550 (d) ₹1550
33. 33.In how many years will ₹7000 earn ₹3850 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
34. 34.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹40 (b) ₹120 (c) ₹160 (d) ₹2120
35. 35.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1300 (b) ₹1100 (c) ₹300 (d) ₹1400
36. 36.The simple interest on ₹7000 for 3 years is ₹1890. What is the rate per year? (a) 8% (b) 27% (c) 9% (d) 10%
37. 37.The simple interest on ₹7500 for 5 years is ₹3750. What is the rate per year? (a) 11% (b) 9% (c) 50% (d) 10%
38. 38.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
39. 39.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹9280 (b) ₹1920 (c) ₹640 (d) ₹1280
40. 40.The simple interest on ₹7500 for 4 years is ₹1500. What is the rate per year? (a) 20% (b) 6% (c) 5% (d) 4%

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