Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 854 · 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 ₹4500 earn ₹1575 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
2. 2.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10355 (b) ₹570 (c) ₹10070 (d) ₹9785
3. 3.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
4. 4.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8255 (b) ₹7670 (c) ₹1170 (d) ₹7085
5. 5.What is the simple interest on ₹2500 at 6% per year for 4 years? (a) ₹150 (b) ₹600 (c) ₹750 (d) ₹3100
6. 6.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹1800 (c) ₹75 (d) ₹300
7. 7.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹2700 (b) ₹100 (c) ₹300 (d) ₹200
8. 8.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹3600 (b) ₹900 (c) ₹4500 (d) ₹12600
9. 9.What is the simple interest on ₹4500 at 6% per year for 4 years? (a) ₹1350 (b) ₹270 (c) ₹1080 (d) ₹5580
10. 10.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹240 (b) ₹720 (c) ₹480 (d) ₹2480
11. 11.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 10% (b) 40% (c) 9% (d) 11%
12. 12.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
13. 13.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹750 (b) ₹5750 (c) ₹250 (d) ₹1000
14. 14.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹2625 (c) ₹3125 (d) ₹500
15. 15.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
16. 16.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
17. 17.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
18. 18.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2080 (b) ₹2240 (c) ₹2160 (d) ₹160
19. 19.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹500 (b) ₹2000 (c) ₹6500 (d) ₹1500
20. 20.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹630 (b) ₹1260 (c) ₹8260 (d) ₹1890
21. 21.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
22. 22.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 55%
23. 23.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹500 (b) ₹3000 (c) ₹600 (d) ₹100
24. 24.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹1760 (b) ₹1320 (c) ₹440 (d) ₹5320
25. 25.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
26. 26.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
27. 27.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹595 (b) ₹9690 (c) ₹1190 (d) ₹1785
28. 28.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹1000 (b) ₹3500 (c) ₹1250 (d) ₹250
29. 29.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹8400 (c) ₹9600 (d) ₹9200
30. 30.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6695 (b) ₹7085 (c) ₹6890 (d) ₹390
31. 31.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹1800 (b) ₹9300 (c) ₹600 (d) ₹2400
32. 32.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹720 (b) ₹900 (c) ₹180 (d) ₹9720
33. 33.The simple interest on ₹5000 for 2 years is ₹800. What is the rate per year? (a) 16% (b) 7% (c) 9% (d) 8%
34. 34.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹5400 (c) ₹5580 (d) ₹4680
35. 35.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹750 (b) ₹3000 (c) ₹2250 (d) ₹9750
36. 36.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹450 (b) ₹150 (c) ₹3300 (d) ₹300
37. 37.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
38. 38.₹10000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11600 (b) ₹12400 (c) ₹1600 (d) ₹10800
39. 39.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
40. 40.What is the simple interest on ₹4500 at 3% per year for 2 years? (a) ₹405 (b) ₹135 (c) ₹4770 (d) ₹270

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