Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 625 · 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.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹10200 (c) ₹10600 (d) ₹400
2. 2.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
3. 3.The simple interest on ₹8500 for 5 years is ₹4675. What is the rate per year? (a) 11% (b) 10% (c) 55% (d) 12%
4. 4.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹385 (b) ₹6655 (c) ₹1155 (d) ₹1540
5. 5.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹450 (d) ₹3450
6. 6.The simple interest on ₹4000 for 4 years is ₹960. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 24%
7. 7.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹950 (b) ₹10450 (c) ₹190 (d) ₹1140
8. 8.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹625 (b) ₹3000 (c) ₹125 (d) ₹500
9. 9.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹4590 (c) ₹180 (d) ₹4770
10. 10.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
11. 11.₹10000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹12000 (b) ₹1500 (c) ₹11500 (d) ₹10500
12. 12.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 10% (b) 8% (c) 36% (d) 9%
13. 13.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹600 (b) ₹10600 (c) ₹200 (d) ₹800
14. 14.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 8% (b) 9% (c) 36% (d) 10%
15. 15.₹9000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹11250 (c) ₹9450 (d) ₹10800
16. 16.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹7670 (b) ₹1755 (c) ₹1170 (d) ₹585
17. 17.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹340 (b) ₹8670 (c) ₹8840 (d) ₹9010
18. 18.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 10% (b) 22% (c) 12% (d) 11%
19. 19.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
20. 20.In how many years will ₹5000 earn ₹600 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
21. 21.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
22. 22.In how many years will ₹9500 earn ₹3420 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
23. 23.In how many years will ₹2500 earn ₹800 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
24. 24.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 10%
25. 25.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹260 (b) ₹6760 (c) ₹6630 (d) ₹6890
26. 26.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 25%
27. 27.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
28. 28.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
29. 29.What is the simple interest on ₹6500 at 4% per year for 3 years? (a) ₹7280 (b) ₹1040 (c) ₹780 (d) ₹260
30. 30.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 16%
31. 31.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹80 (b) ₹1060 (c) ₹60 (d) ₹20
32. 32.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
33. 33.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1020 (b) ₹1360 (c) ₹9520 (d) ₹340
34. 34.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
35. 35.The simple interest on ₹7000 for 3 years is ₹2310. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 33%
36. 36.The simple interest on ₹4000 for 2 years is ₹800. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
37. 37.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹270 (b) ₹1270 (c) ₹90 (d) ₹360
38. 38.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
39. 39.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2400 (b) ₹11200 (c) ₹13600 (d) ₹12400
40. 40.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹240 (b) ₹2200 (c) ₹40 (d) ₹200

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