Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 851 · 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 ₹5000 earn ₹500 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
2. 2.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹280 (d) ₹2280
3. 3.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1440 (b) ₹4080 (c) ₹1080 (d) ₹360
4. 4.₹4000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹600 (c) ₹4800 (d) ₹4600
5. 5.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹4640 (b) ₹960 (c) ₹640 (d) ₹320
6. 6.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹6000 (b) ₹2400 (c) ₹400 (d) ₹2000
7. 7.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
8. 8.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹4200 (b) ₹1200 (c) ₹240 (d) ₹1440
9. 9.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹500 (b) ₹2000 (c) ₹7000 (d) ₹2500
10. 10.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹11600 (b) ₹400 (c) ₹1600 (d) ₹2000
11. 11.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 15% (b) 6% (c) 5% (d) 4%
12. 12.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
13. 13.In how many years will ₹4500 earn ₹1485 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
14. 14.₹9000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9900 (b) ₹1800 (c) ₹10800 (d) ₹11700
15. 15.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 40% (b) 10% (c) 9% (d) 11%
16. 16.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹480 (b) ₹400 (c) ₹1400 (d) ₹80
17. 17.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
18. 18.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4440 (b) ₹4080 (c) ₹1080 (d) ₹3360
19. 19.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹385 (c) ₹1925 (d) ₹5425
20. 20.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
21. 21.₹6000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6720 (b) ₹7440 (c) ₹1440 (d) ₹8160
22. 22.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹1080 (b) ₹14400 (c) ₹6480 (d) ₹5400
23. 23.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹8700 (c) ₹9240 (d) ₹6540
24. 24.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹6600 (b) ₹300 (c) ₹600 (d) ₹900
25. 25.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹1600 (b) ₹9280 (c) ₹320 (d) ₹1280
26. 26.In how many years will ₹8000 earn ₹1440 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
27. 27.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
28. 28.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹7475 (b) ₹325 (c) ₹1300 (d) ₹975
29. 29.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹1320 (b) ₹400 (c) ₹80 (d) ₹320
30. 30.In how many years will ₹10000 earn ₹2500 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
31. 31.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3480 (b) ₹3120 (c) ₹360 (d) ₹3360
32. 32.The simple interest on ₹7000 for 5 years is ₹4200. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 60%
33. 33.₹3000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3120 (b) ₹3720 (c) ₹600 (d) ₹3600
34. 34.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2040 (b) ₹1590 (c) ₹450 (d) ₹1950
35. 35.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
36. 36.The simple interest on ₹1000 for 5 years is ₹300. What is the rate per year? (a) 6% (b) 30% (c) 7% (d) 5%
37. 37.In how many years will ₹3500 earn ₹350 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
38. 38.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹11250 (b) ₹3750 (c) ₹4500 (d) ₹750
39. 39.The simple interest on ₹8500 for 5 years is ₹3825. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
40. 40.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹3240 (c) ₹1200 (d) ₹4440

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