Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 246 · 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 ₹2000 at 5% per year for 2 years? (a) ₹100 (b) ₹200 (c) ₹300 (d) ₹2200
2. 2.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
3. 3.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2080 (b) ₹2480 (c) ₹400 (d) ₹2400
4. 4.In how many years will ₹7000 earn ₹840 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
5. 5.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
6. 6.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2220 (b) ₹3320 (c) ₹1100 (d) ₹3100
7. 7.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
8. 8.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 50% (b) 10% (c) 9% (d) 11%
9. 9.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 20% (b) 11% (c) 10% (d) 9%
10. 10.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
11. 11.What is the simple interest on ₹8000 at 11% per year for 3 years? (a) ₹2640 (b) ₹10640 (c) ₹3520 (d) ₹880
12. 12.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹3180 (c) ₹4080 (d) ₹3900
13. 13.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 15% (b) 5% (c) 4% (d) 6%
14. 14.The simple interest on ₹8500 for 5 years is ₹3825. What is the rate per year? (a) 8% (b) 10% (c) 45% (d) 9%
15. 15.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9525 (b) ₹1350 (c) ₹8175 (d) ₹8850
16. 16.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹90 (b) ₹3360 (c) ₹450 (d) ₹360
17. 17.The simple interest on ₹4000 for 5 years is ₹1800. What is the rate per year? (a) 45% (b) 10% (c) 9% (d) 8%
18. 18.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
19. 19.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹8140 (b) ₹660 (c) ₹3300 (d) ₹2640
20. 20.In how many years will ₹3000 earn ₹450 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
21. 21.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 24%
22. 22.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹750 (b) ₹7875 (c) ₹8625 (d) ₹8250
23. 23.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
24. 24.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹330 (b) ₹1650 (c) ₹4320 (d) ₹1320
25. 25.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
26. 26.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹2880 (c) ₹10880 (d) ₹11840
27. 27.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9900 (b) ₹10350 (c) ₹9450 (d) ₹900
28. 28.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4840 (b) ₹840 (c) ₹5120 (d) ₹4280
29. 29.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1040 (b) ₹1060 (c) ₹40 (d) ₹1020
30. 30.The simple interest on ₹7500 for 4 years is ₹2400. What is the rate per year? (a) 32% (b) 9% (c) 7% (d) 8%
31. 31.₹9000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9900 (b) ₹720 (c) ₹9720 (d) ₹9180
32. 32.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹1360 (b) ₹480 (c) ₹360 (d) ₹120
33. 33.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
34. 34.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
35. 35.The simple interest on ₹3000 for 3 years is ₹900. What is the rate per year? (a) 9% (b) 30% (c) 10% (d) 11%
36. 36.₹2500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3175 (b) ₹2725 (c) ₹2950 (d) ₹450
37. 37.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4260 (b) ₹1050 (c) ₹4050 (d) ₹3210
38. 38.₹8000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹12800 (b) ₹4000 (c) ₹12000 (d) ₹8800
39. 39.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6630 (b) ₹7020 (c) ₹390 (d) ₹6890
40. 40.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹6200 (b) ₹440 (c) ₹2200 (d) ₹2640

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