Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 861 · 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.In how many years will ₹9000 earn ₹3600 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
2. 2.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹10540 (b) ₹2040 (c) ₹2550 (d) ₹510
3. 3.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3570 (c) ₹3640 (d) ₹3710
4. 4.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
5. 5.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹1200 (b) ₹5900 (c) ₹300 (d) ₹900
6. 6.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹3330 (c) ₹660 (d) ₹3660
7. 7.The simple interest on ₹2000 for 3 years is ₹360. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
8. 8.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹500 (c) ₹1600 (d) ₹1100
9. 9.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹875 (b) ₹3200 (c) ₹175 (d) ₹700
10. 10.In how many years will ₹2000 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
11. 11.In how many years will ₹9500 earn ₹3420 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
12. 12.₹10000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10500 (b) ₹12000 (c) ₹1500 (d) ₹11500
13. 13.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹3060 (c) ₹3120 (d) ₹120
14. 14.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 8% (b) 10% (c) 45% (d) 9%
15. 15.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9860 (b) ₹1020 (c) ₹9520 (d) ₹8840
16. 16.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹1980 (c) ₹480 (d) ₹1620
17. 17.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
18. 18.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹60 (b) ₹3300 (c) ₹360 (d) ₹300
19. 19.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1650 (c) ₹1530 (d) ₹1620
20. 20.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 35%
21. 21.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹40 (b) ₹200 (c) ₹160 (d) ₹1160
22. 22.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
23. 23.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
24. 24.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
25. 25.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹210 (b) ₹105 (c) ₹1710 (d) ₹315
26. 26.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
27. 27.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹3210 (c) ₹3840 (d) ₹3630
28. 28.In how many years will ₹9000 earn ₹2160 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
29. 29.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 6% (b) 7% (c) 21% (d) 8%
30. 30.₹7500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9750 (b) ₹10500 (c) ₹8250 (d) ₹2250
31. 31.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹105 (b) ₹3710 (c) ₹210 (d) ₹315
32. 32.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 8% (b) 10% (c) 27% (d) 9%
33. 33.₹5000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹6800 (c) ₹7250 (d) ₹5450
34. 34.₹2000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹2800 (c) ₹640 (d) ₹2640
35. 35.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
36. 36.What is the simple interest on ₹8500 at 6% per year for 3 years? (a) ₹2040 (b) ₹10030 (c) ₹1530 (d) ₹510
37. 37.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 3% (b) 8% (c) 4% (d) 5%
38. 38.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
39. 39.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹400 (b) ₹1200 (c) ₹11200 (d) ₹1600
40. 40.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹10075 (b) ₹3575 (c) ₹715 (d) ₹4290

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