Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 576 · 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 ₹8500 at 7% per year for 3 years? (a) ₹595 (b) ₹2380 (c) ₹10285 (d) ₹1785
2. 2.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹420 (b) ₹1260 (c) ₹7260 (d) ₹1680
3. 3.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹300 (b) ₹1800 (c) ₹11500 (d) ₹1500
4. 4.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹525 (b) ₹105 (c) ₹420 (d) ₹3920
5. 5.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹1350 (b) ₹1800 (c) ₹450 (d) ₹8850
6. 6.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
7. 7.What is the simple interest on ₹8000 at 12% per year for 5 years? (a) ₹4800 (b) ₹12800 (c) ₹960 (d) ₹5760
8. 8.The simple interest on ₹2500 for 4 years is ₹1200. What is the rate per year? (a) 48% (b) 11% (c) 13% (d) 12%
9. 9.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹225 (b) ₹180 (c) ₹1680 (d) ₹45
10. 10.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹225 (b) ₹900 (c) ₹1125 (d) ₹5400
11. 11.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 35%
12. 12.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹800 (b) ₹8800 (c) ₹960 (d) ₹160
13. 13.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 7% (b) 40% (c) 8% (d) 9%
14. 14.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5175 (b) ₹4725 (c) ₹5400 (d) ₹675
15. 15.The simple interest on ₹9000 for 5 years is ₹900. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
16. 16.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹7420 (b) ₹140 (c) ₹420 (d) ₹560
17. 17.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
18. 18.₹8500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9010 (b) ₹10030 (c) ₹1530 (d) ₹10540
19. 19.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹1440 (b) ₹3200 (c) ₹1200 (d) ₹240
20. 20.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹600 (b) ₹12400 (c) ₹3000 (d) ₹2400
21. 21.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹1575 (b) ₹1260 (c) ₹5760 (d) ₹315
22. 22.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 35%
23. 23.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
24. 24.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
25. 25.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
26. 26.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
27. 27.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
28. 28.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹6240 (c) ₹240 (d) ₹6120
29. 29.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
30. 30.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹11100 (c) ₹8400 (d) ₹12000
31. 31.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹4240 (b) ₹960 (c) ₹5200 (d) ₹4960
32. 32.In how many years will ₹7500 earn ₹1350 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
33. 33.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5500 (b) ₹5600 (c) ₹500 (d) ₹5100
34. 34.In how many years will ₹4500 earn ₹2250 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
35. 35.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹10450 (b) ₹950 (c) ₹9690 (d) ₹10640
36. 36.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3815 (b) ₹3710 (c) ₹3605 (d) ₹210
37. 37.What is the simple interest on ₹5000 at 2% per year for 5 years? (a) ₹5500 (b) ₹100 (c) ₹500 (d) ₹600
38. 38.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1800 (b) ₹8700 (c) ₹600 (d) ₹1200
39. 39.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
40. 40.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years

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