Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 663 · 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.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7670 (b) ₹975 (c) ₹7475 (d) ₹6695
2. 2.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹225 (b) ₹2725 (c) ₹300 (d) ₹75
3. 3.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9350 (b) ₹11050 (c) ₹10200 (d) ₹1700
4. 4.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹1800 (c) ₹75 (d) ₹300
5. 5.₹1000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1350 (b) ₹280 (c) ₹1070 (d) ₹1280
6. 6.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹10450 (b) ₹950 (c) ₹1425 (d) ₹475
7. 7.The simple interest on ₹8000 for 4 years is ₹3200. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
8. 8.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 20%
9. 9.₹6000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7620 (b) ₹6540 (c) ₹1620 (d) ₹8160
10. 10.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹45 (b) ₹135 (c) ₹1590 (d) ₹90
11. 11.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹840 (b) ₹7840 (c) ₹420 (d) ₹1260
12. 12.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
13. 13.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 6% (b) 14% (c) 8% (d) 7%
14. 14.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
15. 15.The simple interest on ₹7000 for 3 years is ₹2310. What is the rate per year? (a) 33% (b) 12% (c) 11% (d) 10%
16. 16.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹4375 (b) ₹175 (c) ₹875 (d) ₹1050
17. 17.₹4500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5130 (b) ₹5445 (c) ₹4815 (d) ₹630
18. 18.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5750 (b) ₹5900 (c) ₹750 (d) ₹5150
19. 19.In how many years will ₹1000 earn ₹600 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
20. 20.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹160 (b) ₹2240 (c) ₹2160 (d) ₹2080
21. 21.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
22. 22.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹9200 (b) ₹400 (c) ₹1600 (d) ₹1200
23. 23.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹405 (b) ₹1770 (c) ₹270 (d) ₹135
24. 24.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹540 (b) ₹450 (c) ₹4950 (d) ₹90
25. 25.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹480 (b) ₹120 (c) ₹600 (d) ₹4480
26. 26.The simple interest on ₹6500 for 2 years is ₹780. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 12%
27. 27.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
28. 28.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
29. 29.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
30. 30.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹585 (b) ₹1170 (c) ₹1755 (d) ₹7670
31. 31.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 11% (b) 12% (c) 48% (d) 13%
32. 32.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
33. 33.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
34. 34.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹450 (b) ₹1800 (c) ₹10800 (d) ₹2250
35. 35.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11780 (b) ₹11210 (c) ₹1710 (d) ₹10070
36. 36.In how many years will ₹8500 earn ₹1700 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
37. 37.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹680 (b) ₹340 (c) ₹1020 (d) ₹9180
38. 38.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹8060 (b) ₹2080 (c) ₹520 (d) ₹1560
39. 39.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6600 (b) ₹6300 (c) ₹6900 (d) ₹600
40. 40.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹10080 (b) ₹1080 (c) ₹1440 (d) ₹360

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