Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 70 · 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 ₹2000 earn ₹120 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
2. 2.The simple interest on ₹5500 for 2 years is ₹330. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
3. 3.₹2000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3100 (b) ₹880 (c) ₹2880 (d) ₹2220
4. 4.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹180 (b) ₹60 (c) ₹240 (d) ₹2180
5. 5.₹9000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹10080 (b) ₹14400 (c) ₹13320 (d) ₹4320
6. 6.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹5000 (c) ₹4200 (d) ₹4800
7. 7.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2775 (b) ₹3050 (c) ₹550 (d) ₹3325
8. 8.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
9. 9.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
10. 10.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹320 (b) ₹4640 (c) ₹960 (d) ₹640
11. 11.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹12400 (b) ₹13000 (c) ₹2400 (d) ₹10600
12. 12.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹8700 (b) ₹2700 (c) ₹9240 (d) ₹6540
13. 13.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
14. 14.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹1860 (b) ₹180 (c) ₹540 (d) ₹360
15. 15.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹1875 (b) ₹75 (c) ₹450 (d) ₹375
16. 16.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹3000 (b) ₹100 (c) ₹500 (d) ₹600
17. 17.₹7000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9450 (b) ₹7490 (c) ₹2450 (d) ₹9940
18. 18.₹4000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5760 (b) ₹1760 (c) ₹6200 (d) ₹4440
19. 19.₹4000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4360 (b) ₹5800 (c) ₹1440 (d) ₹5440
20. 20.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1480 (b) ₹1400 (c) ₹400 (d) ₹1080
21. 21.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
22. 22.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹9810 (b) ₹2430 (c) ₹11430 (d) ₹12240
23. 23.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9300 (b) ₹7950 (c) ₹8850 (d) ₹1350
24. 24.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹5000 (b) ₹1000 (c) ₹14000 (d) ₹4000
25. 25.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹3300 (b) ₹300 (c) ₹150 (d) ₹450
26. 26.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹1750 (b) ₹1400 (c) ₹4900 (d) ₹350
27. 27.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
28. 28.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
29. 29.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹3420 (c) ₹210 (d) ₹420
30. 30.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹14400 (b) ₹10080 (c) ₹5400 (d) ₹15480
31. 31.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹4800 (b) ₹12000 (c) ₹4000 (d) ₹800
32. 32.In how many years will ₹7500 earn ₹2700 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
33. 33.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3570 (b) ₹280 (c) ₹3850 (d) ₹3780
34. 34.What is the simple interest on ₹5000 at 11% per year for 4 years? (a) ₹2750 (b) ₹7200 (c) ₹550 (d) ₹2200
35. 35.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
36. 36.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
37. 37.₹7000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9240 (b) ₹1680 (c) ₹8680 (d) ₹7560
38. 38.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
39. 39.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8625 (b) ₹7875 (c) ₹8250 (d) ₹750
40. 40.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad