Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 813 · 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.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹480 (c) ₹2240 (d) ₹2720
2. 2.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹6270 (b) ₹1155 (c) ₹770 (d) ₹385
3. 3.The simple interest on ₹1500 for 4 years is ₹480. What is the rate per year? (a) 7% (b) 32% (c) 9% (d) 8%
4. 4.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9435 (b) ₹11305 (c) ₹1870 (d) ₹10370
5. 5.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹270 (b) ₹1725 (c) ₹45 (d) ₹225
6. 6.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹1320 (b) ₹1650 (c) ₹6820 (d) ₹330
7. 7.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹8400 (c) ₹9200 (d) ₹9600
8. 8.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹120 (b) ₹30 (c) ₹90 (d) ₹1090
9. 9.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
10. 10.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹270 (b) ₹1080 (c) ₹9810 (d) ₹810
11. 11.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹11200 (b) ₹3500 (c) ₹7700 (d) ₹10500
12. 12.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
13. 13.In how many years will ₹3500 earn ₹280 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
14. 14.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹180 (b) ₹360 (c) ₹540 (d) ₹1860
15. 15.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
16. 16.The simple interest on ₹4500 for 3 years is ₹1080. What is the rate per year? (a) 9% (b) 8% (c) 24% (d) 7%
17. 17.What is the simple interest on ₹10000 at 12% per year for 5 years? (a) ₹7200 (b) ₹6000 (c) ₹1200 (d) ₹16000
18. 18.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9010 (b) ₹11560 (c) ₹2550 (d) ₹11050
19. 19.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
20. 20.In how many years will ₹3500 earn ₹1400 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
21. 21.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹7200 (b) ₹600 (c) ₹1200 (d) ₹1800
22. 22.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹12600 (b) ₹900 (c) ₹4500 (d) ₹3600
23. 23.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
24. 24.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹320 (c) ₹1320 (d) ₹1400
25. 25.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹2120 (b) ₹160 (c) ₹40 (d) ₹120
26. 26.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹1080 (c) ₹5440 (d) ₹5080
27. 27.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1500 (b) ₹1100 (c) ₹1400 (d) ₹400
28. 28.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹1060 (b) ₹80 (c) ₹60 (d) ₹20
29. 29.₹10000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹11100 (b) ₹4400 (c) ₹15500 (d) ₹14400
30. 30.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
31. 31.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹1200 (b) ₹1500 (c) ₹3700 (d) ₹300
32. 32.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
33. 33.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹3300 (c) ₹600 (d) ₹3100
34. 34.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹4960 (b) ₹320 (c) ₹960 (d) ₹1280
35. 35.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹300 (b) ₹1200 (c) ₹900 (d) ₹5900
36. 36.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹5040 (b) ₹135 (c) ₹540 (d) ₹675
37. 37.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9920 (b) ₹8960 (c) ₹1920 (d) ₹10880
38. 38.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹1620 (b) ₹1350 (c) ₹10350 (d) ₹270
39. 39.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
40. 40.In how many years will ₹10000 earn ₹1500 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years

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