Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 387 · 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.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1590 (c) ₹1530 (d) ₹1560
2. 2.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹400 (b) ₹100 (c) ₹5400 (d) ₹500
3. 3.₹4500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹7200 (b) ₹6750 (c) ₹2250 (d) ₹4950
4. 4.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
5. 5.₹2000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2400 (b) ₹2600 (c) ₹2200 (d) ₹400
6. 6.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
7. 7.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1860 (b) ₹360 (c) ₹1680 (d) ₹2040
8. 8.In how many years will ₹9000 earn ₹1080 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
9. 9.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 10%
10. 10.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹4080 (c) ₹3900 (d) ₹3180
11. 11.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹900 (d) ₹9900
12. 12.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹1860 (b) ₹180 (c) ₹360 (d) ₹540
13. 13.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹3625 (c) ₹3400 (d) ₹900
14. 14.What is the simple interest on ₹2500 at 5% per year for 5 years? (a) ₹125 (b) ₹750 (c) ₹3125 (d) ₹625
15. 15.In how many years will ₹9000 earn ₹2430 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
16. 16.The simple interest on ₹6500 for 5 years is ₹2600. What is the rate per year? (a) 8% (b) 9% (c) 40% (d) 7%
17. 17.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11250 (b) ₹2250 (c) ₹11700 (d) ₹9450
18. 18.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
19. 19.In how many years will ₹6500 earn ₹2925 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
20. 20.₹3500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹5250 (b) ₹3850 (c) ₹1750 (d) ₹5600
21. 21.₹7000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7560 (b) ₹560 (c) ₹7840 (d) ₹7280
22. 22.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹450 (b) ₹2875 (c) ₹75 (d) ₹375
23. 23.In how many years will ₹5500 earn ₹1540 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
24. 24.In how many years will ₹7000 earn ₹1680 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
25. 25.₹8000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4400 (b) ₹8880 (c) ₹13280 (d) ₹12400
26. 26.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹200 (b) ₹3300 (c) ₹800 (d) ₹1000
27. 27.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
28. 28.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
29. 29.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3060 (b) ₹120 (c) ₹3120 (d) ₹3180
30. 30.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
31. 31.The simple interest on ₹3500 for 2 years is ₹490. What is the rate per year? (a) 7% (b) 14% (c) 8% (d) 6%
32. 32.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹1060 (b) ₹90 (c) ₹30 (d) ₹60
33. 33.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
34. 34.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
35. 35.What is the simple interest on ₹9500 at 8% per year for 3 years? (a) ₹760 (b) ₹2280 (c) ₹3040 (d) ₹11780
36. 36.The simple interest on ₹5000 for 5 years is ₹2000. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%
37. 37.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
38. 38.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1740 (b) ₹1560 (c) ₹240 (d) ₹1800
39. 39.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
40. 40.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹8640 (b) ₹960 (c) ₹320 (d) ₹640

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