Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 443 · 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.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹360 (c) ₹6180 (d) ₹6360
2. 2.₹3000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹3540 (b) ₹3090 (c) ₹3450 (d) ₹450
3. 3.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹120 (b) ₹160 (c) ₹1120 (d) ₹40
4. 4.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹1760 (b) ₹2640 (c) ₹880 (d) ₹9760
5. 5.The simple interest on ₹10000 for 4 years is ₹4400. What is the rate per year? (a) 10% (b) 44% (c) 12% (d) 11%
6. 6.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹1650 (b) ₹3875 (c) ₹275 (d) ₹1375
7. 7.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
8. 8.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2500 (b) ₹8000 (c) ₹5500 (d) ₹7500
9. 9.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
10. 10.The simple interest on ₹9500 for 4 years is ₹4560. What is the rate per year? (a) 11% (b) 48% (c) 12% (d) 13%
11. 11.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 11% (b) 22% (c) 10% (d) 12%
12. 12.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹420 (b) ₹210 (c) ₹630 (d) ₹3420
13. 13.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 10% (b) 2% (c) 3% (d) 1%
14. 14.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8175 (b) ₹7950 (c) ₹7725 (d) ₹450
15. 15.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
16. 16.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 9% (b) 20% (c) 10% (d) 11%
17. 17.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹300 (b) ₹250 (c) ₹1250 (d) ₹50
18. 18.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹450 (b) ₹7800 (c) ₹150 (d) ₹300
19. 19.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹3360 (b) ₹360 (c) ₹180 (d) ₹540
20. 20.₹5000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6200 (b) ₹900 (c) ₹5300 (d) ₹5900
21. 21.What is the simple interest on ₹10000 at 4% per year for 5 years? (a) ₹2000 (b) ₹12000 (c) ₹400 (d) ₹2400
22. 22.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
23. 23.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
24. 24.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
25. 25.The simple interest on ₹8000 for 4 years is ₹2560. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 32%
26. 26.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 7% (b) 14% (c) 6% (d) 8%
27. 27.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
28. 28.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2900 (b) ₹3000 (c) ₹400 (d) ₹2600
29. 29.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹11500 (b) ₹11200 (c) ₹10300 (d) ₹1200
30. 30.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹210 (b) ₹105 (c) ₹315 (d) ₹3710
31. 31.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 12% (b) 24% (c) 11% (d) 13%
32. 32.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹750 (b) ₹250 (c) ₹1000 (d) ₹3250
33. 33.₹4500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹7200 (c) ₹7740 (d) ₹5040
34. 34.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹120 (d) ₹2240
35. 35.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹1680 (b) ₹8680 (c) ₹2240 (d) ₹560
36. 36.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 3% (b) 4% (c) 16% (d) 5%
37. 37.The simple interest on ₹6500 for 3 years is ₹2340. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
38. 38.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
39. 39.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
40. 40.₹4000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5600 (b) ₹4320 (c) ₹1600 (d) ₹5920

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