Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 187 · 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 ₹6000 earn ₹1080 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
2. 2.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹6600 (b) ₹600 (c) ₹120 (d) ₹720
3. 3.₹7000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹980 (b) ₹8470 (c) ₹7490 (d) ₹7980
4. 4.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹1120 (c) ₹1720 (d) ₹1600
5. 5.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8960 (b) ₹9920 (c) ₹1920 (d) ₹10880
6. 6.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
7. 7.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹150 (b) ₹30 (c) ₹180 (d) ₹1150
8. 8.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹8250 (b) ₹1125 (c) ₹375 (d) ₹750
9. 9.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹80 (b) ₹2240 (c) ₹320 (d) ₹240
10. 10.What is the simple interest on ₹7000 at 6% per year for 4 years? (a) ₹2100 (b) ₹1680 (c) ₹8680 (d) ₹420
11. 11.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
12. 12.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 16% (b) 4% (c) 5% (d) 3%
13. 13.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
14. 14.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
15. 15.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
16. 16.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹1750 (b) ₹8400 (c) ₹350 (d) ₹1400
17. 17.The simple interest on ₹1000 for 4 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
18. 18.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 44%
19. 19.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹1080 (b) ₹270 (c) ₹1350 (d) ₹4080
20. 20.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹13600 (c) ₹10600 (d) ₹13000
21. 21.₹5000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6250 (b) ₹5250 (c) ₹1000 (d) ₹6000
22. 22.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
23. 23.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 12% (b) 48% (c) 13% (d) 11%
24. 24.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹240 (c) ₹4120 (d) ₹4360
25. 25.₹6000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6480 (b) ₹480 (c) ₹6120 (d) ₹6600
26. 26.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹1450 (b) ₹90 (c) ₹450 (d) ₹540
27. 27.In how many years will ₹1000 earn ₹200 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
29. 29.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
30. 30.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
31. 31.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹390 (b) ₹6890 (c) ₹7085 (d) ₹6695
32. 32.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹3440 (c) ₹3200 (d) ₹1200
33. 33.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
34. 34.In how many years will ₹7500 earn ₹3000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
35. 35.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹1440 (d) ₹4440
36. 36.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹480 (b) ₹80 (c) ₹1400 (d) ₹400
37. 37.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹5300 (b) ₹400 (c) ₹100 (d) ₹300
38. 38.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹1200 (c) ₹1040 (d) ₹1240
39. 39.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
40. 40.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%

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