Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 592 · 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 ₹2500 at 4% per year for 2 years? (a) ₹2700 (b) ₹300 (c) ₹200 (d) ₹100
2. 2.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2400 (b) ₹6400 (c) ₹480 (d) ₹2880
3. 3.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
4. 4.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
5. 5.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹5715 (b) ₹1620 (c) ₹405 (d) ₹1215
6. 6.The simple interest on ₹7000 for 3 years is ₹1680. What is the rate per year? (a) 8% (b) 24% (c) 9% (d) 7%
7. 7.In how many years will ₹9500 earn ₹2375 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
8. 8.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹8960 (b) ₹240 (c) ₹960 (d) ₹1200
9. 9.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹6240 (b) ₹360 (c) ₹240 (d) ₹120
10. 10.In how many years will ₹9500 earn ₹3420 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
11. 11.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
12. 12.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹585 (b) ₹2925 (c) ₹8840 (d) ₹2340
13. 13.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
14. 14.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8255 (b) ₹7670 (c) ₹1170 (d) ₹7085
15. 15.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹13600 (b) ₹3600 (c) ₹11200 (d) ₹14800
16. 16.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
17. 17.₹4000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6200 (b) ₹1760 (c) ₹5760 (d) ₹4440
18. 18.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2650 (b) ₹3250 (c) ₹600 (d) ₹3100
19. 19.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
20. 20.The simple interest on ₹7000 for 4 years is ₹840. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 2%
21. 21.The simple interest on ₹1000 for 3 years is ₹150. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 15%
22. 22.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹120 (b) ₹240 (c) ₹1240 (d) ₹360
23. 23.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
24. 24.In how many years will ₹1000 earn ₹140 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
25. 25.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹3900 (c) ₹3750 (d) ₹3150
26. 26.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
27. 27.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8925 (b) ₹10200 (c) ₹9775 (d) ₹1275
28. 28.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
29. 29.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹1140 (b) ₹380 (c) ₹1520 (d) ₹10640
30. 30.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
31. 31.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹10900 (b) ₹300 (c) ₹1200 (d) ₹900
32. 32.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1360 (b) ₹1120 (c) ₹360 (d) ₹1480
33. 33.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹1650 (b) ₹275 (c) ₹1375 (d) ₹3875
34. 34.In how many years will ₹7500 earn ₹2700 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
35. 35.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10360 (b) ₹7560 (c) ₹9800 (d) ₹2800
36. 36.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
37. 37.In how many years will ₹5000 earn ₹300 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
38. 38.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹150 (b) ₹30 (c) ₹180 (d) ₹1150
39. 39.What is the simple interest on ₹9000 at 9% per year for 5 years? (a) ₹13050 (b) ₹4050 (c) ₹810 (d) ₹4860
40. 40.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹1020 (b) ₹9265 (c) ₹765 (d) ₹255

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