Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 216 · 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 ₹8500 earn ₹3740 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
2. 2.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
3. 3.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹1890 (b) ₹630 (c) ₹1260 (d) ₹10260
4. 4.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹315 (b) ₹1815 (c) ₹1920 (d) ₹1605
5. 5.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹11000 (b) ₹10500 (c) ₹1000 (d) ₹11500
6. 6.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2200 (b) ₹13300 (c) ₹11100 (d) ₹12200
7. 7.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
8. 8.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹1200 (c) ₹300 (d) ₹900
9. 9.In how many years will ₹5500 earn ₹2200 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
10. 10.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4080 (b) ₹4480 (c) ₹400 (d) ₹4400
11. 11.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
12. 12.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 48%
13. 13.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹320 (d) ₹8320
14. 14.The simple interest on ₹7500 for 2 years is ₹1500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
15. 15.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
16. 16.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹5830 (b) ₹165 (c) ₹330 (d) ₹495
17. 17.The simple interest on ₹9000 for 5 years is ₹3150. What is the rate per year? (a) 35% (b) 7% (c) 8% (d) 6%
18. 18.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹1180 (d) ₹240
19. 19.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1485 (b) ₹7480 (c) ₹6985 (d) ₹5995
20. 20.The simple interest on ₹8500 for 4 years is ₹2380. What is the rate per year? (a) 6% (b) 7% (c) 28% (d) 8%
21. 21.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹340 (b) ₹9520 (c) ₹1360 (d) ₹1020
22. 22.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹315 (b) ₹630 (c) ₹5130 (d) ₹945
23. 23.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
24. 24.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
25. 25.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹45 (b) ₹225 (c) ₹1680 (d) ₹180
26. 26.The simple interest on ₹1000 for 4 years is ₹160. What is the rate per year? (a) 5% (b) 16% (c) 4% (d) 3%
27. 27.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹5400 (b) ₹100 (c) ₹500 (d) ₹400
28. 28.₹2000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹120 (b) ₹2040 (c) ₹2160 (d) ₹2120
29. 29.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹9520 (b) ₹1020 (c) ₹1275 (d) ₹255
30. 30.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹280 (b) ₹4620 (c) ₹1120 (d) ₹1400
31. 31.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
32. 32.₹7500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4500 (b) ₹12900 (c) ₹8400 (d) ₹12000
33. 33.₹10000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹13300 (b) ₹3300 (c) ₹11100 (d) ₹14400
34. 34.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹2100 (b) ₹1750 (c) ₹350 (d) ₹8750
35. 35.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
36. 36.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹990 (b) ₹495 (c) ₹5490 (d) ₹1485
37. 37.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 30%
38. 38.The simple interest on ₹9000 for 4 years is ₹3600. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
39. 39.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
40. 40.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹3325 (b) ₹665 (c) ₹3990 (d) ₹12825

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