Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 56 · 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.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹30 (b) ₹60 (c) ₹90 (d) ₹1060
2. 2.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
3. 3.In how many years will ₹9000 earn ₹3600 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
4. 4.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹7040 (b) ₹1540 (c) ₹1925 (d) ₹385
5. 5.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
6. 6.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2240 (b) ₹160 (c) ₹2160 (d) ₹2080
7. 7.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
8. 8.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8125 (b) ₹6825 (c) ₹7800 (d) ₹1300
9. 9.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1635 (b) ₹2175 (c) ₹2040 (d) ₹540
10. 10.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6200 (b) ₹5800 (c) ₹5400 (d) ₹800
11. 11.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹2650 (c) ₹3100 (d) ₹3250
12. 12.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹2310 (b) ₹3080 (c) ₹9310 (d) ₹770
13. 13.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹6660 (c) ₹6300 (d) ₹4860
14. 14.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
15. 15.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1090 (b) ₹1180 (c) ₹1270 (d) ₹180
16. 16.What is the simple interest on ₹4000 at 7% per year for 3 years? (a) ₹840 (b) ₹4840 (c) ₹1120 (d) ₹280
17. 17.In how many years will ₹4000 earn ₹800 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
18. 18.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹7480 (b) ₹6160 (c) ₹6820 (d) ₹1320
19. 19.The simple interest on ₹3500 for 2 years is ₹420. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
20. 20.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹1760 (b) ₹1320 (c) ₹440 (d) ₹5320
21. 21.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
22. 22.₹3500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹3885 (b) ₹1155 (c) ₹5040 (d) ₹4655
23. 23.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
24. 24.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3500 (b) ₹3750 (c) ₹2750 (d) ₹1000
25. 25.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 40%
26. 26.In how many years will ₹6500 earn ₹1755 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
27. 27.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
28. 28.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1920 (b) ₹1605 (c) ₹315 (d) ₹1815
29. 29.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
30. 30.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹560 (b) ₹8680 (c) ₹1680 (d) ₹2240
31. 31.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹960 (b) ₹1440 (c) ₹4960 (d) ₹480
32. 32.₹5500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7920 (b) ₹2420 (c) ₹8525 (d) ₹6105
33. 33.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1160 (b) ₹1080 (c) ₹1240 (d) ₹160
34. 34.What is the simple interest on ₹8500 at 12% per year for 2 years? (a) ₹3060 (b) ₹10540 (c) ₹2040 (d) ₹1020
35. 35.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1260 (b) ₹8260 (c) ₹630 (d) ₹1890
36. 36.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1785 (b) ₹1190 (c) ₹9690 (d) ₹595
37. 37.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 11% (b) 22% (c) 10% (d) 12%
38. 38.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹2100 (c) ₹1620 (d) ₹1980
39. 39.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1905 (b) ₹2040 (c) ₹1635 (d) ₹405
40. 40.₹9000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹13050 (b) ₹13860 (c) ₹4050 (d) ₹9810

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