Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 793 · 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.The simple interest on ₹6500 for 3 years is ₹1560. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
2. 2.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
3. 3.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹660 (b) ₹220 (c) ₹5940 (d) ₹440
4. 4.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹1200 (c) ₹300 (d) ₹900
5. 5.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
6. 6.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 6% (b) 7% (c) 14% (d) 8%
7. 7.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
8. 8.₹9500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹1710 (c) ₹10355 (d) ₹12065
9. 9.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹8480 (b) ₹480 (c) ₹720 (d) ₹240
10. 10.In how many years will ₹7000 earn ₹1680 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
11. 11.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1605 (b) ₹1815 (c) ₹1710 (d) ₹210
12. 12.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹1300 (b) ₹100 (c) ₹300 (d) ₹400
13. 13.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8755 (b) ₹510 (c) ₹9010 (d) ₹9265
14. 14.In how many years will ₹6000 earn ₹1920 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
15. 15.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
16. 16.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹180 (b) ₹1180 (c) ₹240 (d) ₹60
17. 17.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹1710 (b) ₹855 (c) ₹2565 (d) ₹11210
18. 18.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
19. 19.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3120 (b) ₹480 (c) ₹3480 (d) ₹3600
20. 20.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
21. 21.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9800 (b) ₹7560 (c) ₹2240 (d) ₹9240
22. 22.The simple interest on ₹9500 for 2 years is ₹1710. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
23. 23.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹6840 (b) ₹1260 (c) ₹420 (d) ₹840
24. 24.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
25. 25.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
26. 26.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4860 (b) ₹4680 (c) ₹360 (d) ₹5040
27. 27.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
28. 28.₹7500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹7725 (b) ₹900 (c) ₹8625 (d) ₹8400
29. 29.In how many years will ₹4000 earn ₹800 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
30. 30.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3080 (b) ₹10850 (c) ₹7770 (d) ₹10080
31. 31.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
32. 32.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹975 (b) ₹650 (c) ₹7150 (d) ₹325
33. 33.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹3990 (b) ₹330 (c) ₹1320 (d) ₹990
34. 34.What is the simple interest on ₹8000 at 4% per year for 5 years? (a) ₹320 (b) ₹9600 (c) ₹1600 (d) ₹1920
35. 35.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
36. 36.The simple interest on ₹5500 for 5 years is ₹1925. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 35%
37. 37.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹5830 (c) ₹7480 (d) ₹1650
38. 38.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹180 (b) ₹1635 (c) ₹45 (d) ₹135
39. 39.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
40. 40.The simple interest on ₹6000 for 4 years is ₹1680. What is the rate per year? (a) 8% (b) 28% (c) 7% (d) 6%

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