Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 404 · 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 6% per year for 5 years? (a) ₹3060 (b) ₹2550 (c) ₹11050 (d) ₹510
2. 2.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
3. 3.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
4. 4.What is the simple interest on ₹4000 at 6% per year for 4 years? (a) ₹4960 (b) ₹240 (c) ₹1200 (d) ₹960
5. 5.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹990 (b) ₹5490 (c) ₹1485 (d) ₹495
6. 6.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹11700 (d) ₹3240
7. 7.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 35% (b) 7% (c) 8% (d) 6%
8. 8.The simple interest on ₹2000 for 2 years is ₹480. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
9. 9.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹1890 (b) ₹1260 (c) ₹630 (d) ₹10260
10. 10.In how many years will ₹2000 earn ₹300 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
11. 11.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6825 (b) ₹7800 (c) ₹1300 (d) ₹8125
12. 12.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
13. 13.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7150 (b) ₹1300 (c) ₹8450 (d) ₹7800
14. 14.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
15. 15.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 11% (b) 22% (c) 10% (d) 12%
16. 16.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
17. 17.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹3840 (b) ₹2880 (c) ₹10880 (d) ₹960
18. 18.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3240 (b) ₹1200 (c) ₹4440 (d) ₹4200
19. 19.₹6500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8840 (b) ₹1755 (c) ₹7085 (d) ₹8255
20. 20.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
21. 21.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8100 (b) ₹7650 (c) ₹450 (d) ₹7950
22. 22.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹11700 (c) ₹11250 (d) ₹9450
23. 23.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 13% (b) 12% (c) 24% (d) 11%
24. 24.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
25. 25.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹2700 (d) ₹200
26. 26.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
27. 27.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹4800 (b) ₹800 (c) ₹400 (d) ₹1200
28. 28.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹2700 (c) ₹2650 (d) ₹150
29. 29.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹5940 (b) ₹110 (c) ₹440 (d) ₹550
30. 30.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
31. 31.₹6000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8160 (b) ₹8700 (c) ₹2160 (d) ₹6540
32. 32.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9975 (b) ₹1650 (c) ₹8325 (d) ₹9150
33. 33.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
34. 34.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹250 (b) ₹1250 (c) ₹1300 (d) ₹1050
35. 35.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
36. 36.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
37. 37.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
38. 38.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9690 (b) ₹570 (c) ₹10260 (d) ₹10070
39. 39.What is the simple interest on ₹6000 at 2% per year for 3 years? (a) ₹6360 (b) ₹120 (c) ₹360 (d) ₹480
40. 40.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 3% (b) 6% (c) 1% (d) 2%

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