Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 808 · 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.The simple interest on ₹5000 for 4 years is ₹2000. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
2. 2.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
3. 3.The simple interest on ₹2000 for 3 years is ₹180. What is the rate per year? (a) 3% (b) 9% (c) 2% (d) 4%
4. 4.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹8320 (d) ₹320
5. 5.In how many years will ₹8500 earn ₹1785 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
6. 6.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹1360 (c) ₹1120 (d) ₹240
7. 7.₹7000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹630 (c) ₹7630 (d) ₹7210
8. 8.The simple interest on ₹5500 for 5 years is ₹1650. What is the rate per year? (a) 5% (b) 6% (c) 30% (d) 7%
9. 9.₹10000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4500 (b) ₹14500 (c) ₹15400 (d) ₹10900
10. 10.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
11. 11.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5500 (b) ₹6500 (c) ₹1000 (d) ₹6000
12. 12.The simple interest on ₹6000 for 5 years is ₹3600. What is the rate per year? (a) 12% (b) 11% (c) 60% (d) 13%
13. 13.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹765 (b) ₹3060 (c) ₹2295 (d) ₹10795
14. 14.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹3000 (c) ₹11250 (d) ₹8250
15. 15.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹2100 (b) ₹420 (c) ₹9100 (d) ₹2520
16. 16.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
17. 17.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹13300 (b) ₹3300 (c) ₹1100 (d) ₹4400
18. 18.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 21%
19. 19.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹3080 (b) ₹2310 (c) ₹770 (d) ₹9310
20. 20.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹800 (b) ₹11200 (c) ₹3200 (d) ₹4000
21. 21.What is the simple interest on ₹9500 at 9% per year for 5 years? (a) ₹855 (b) ₹4275 (c) ₹5130 (d) ₹13775
22. 22.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹330 (b) ₹990 (c) ₹3990 (d) ₹1320
23. 23.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 3% (b) 2% (c) 12% (d) 4%
24. 24.₹4500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹6525 (b) ₹6120 (c) ₹4905 (d) ₹1620
25. 25.What is the simple interest on ₹3500 at 12% per year for 3 years? (a) ₹420 (b) ₹1680 (c) ₹4760 (d) ₹1260
26. 26.What is the simple interest on ₹4500 at 10% per year for 5 years? (a) ₹450 (b) ₹2250 (c) ₹2700 (d) ₹6750
27. 27.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹1300 (c) ₹1100 (d) ₹1200
28. 28.The simple interest on ₹6500 for 5 years is ₹1950. What is the rate per year? (a) 30% (b) 7% (c) 5% (d) 6%
29. 29.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹1500 (c) ₹7500 (d) ₹6300
30. 30.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹8720 (c) ₹10880 (d) ₹10160
31. 31.₹6500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹10400 (b) ₹7280 (c) ₹3900 (d) ₹11180
32. 32.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9785 (b) ₹10355 (c) ₹10070 (d) ₹570
33. 33.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 6% (b) 5% (c) 20% (d) 4%
34. 34.The simple interest on ₹1000 for 3 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
35. 35.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 10% (b) 8% (c) 27% (d) 9%
36. 36.In how many years will ₹5000 earn ₹1500 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
37. 37.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1060 (b) ₹1020 (c) ₹60 (d) ₹1080
38. 38.The simple interest on ₹4000 for 4 years is ₹320. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
39. 39.In how many years will ₹7000 earn ₹1680 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
40. 40.In how many years will ₹6000 earn ₹1440 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years

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