Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 482 · 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.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8640 (b) ₹640 (c) ₹8960 (d) ₹8320
2. 2.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1680 (b) ₹150 (c) ₹1650 (d) ₹1530
3. 3.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹1120 (c) ₹80 (d) ₹1040
4. 4.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹180 (b) ₹120 (c) ₹60 (d) ₹2120
5. 5.The simple interest on ₹1000 for 3 years is ₹330. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
6. 6.In how many years will ₹2000 earn ₹600 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
7. 7.₹4000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹4640 (c) ₹4160 (d) ₹640
8. 8.In how many years will ₹2500 earn ₹700 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
9. 9.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
10. 10.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
11. 11.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 3% (c) 8% (d) 5%
12. 12.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹1600 (b) ₹800 (c) ₹2400 (d) ₹9600
13. 13.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
14. 14.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 10% (b) 36% (c) 9% (d) 8%
15. 15.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 20% (b) 3% (c) 5% (d) 4%
16. 16.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
17. 17.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹7080 (c) ₹1620 (d) ₹1080
18. 18.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹2800 (c) ₹3000 (d) ₹800
19. 19.₹9500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10830 (b) ₹1330 (c) ₹10165 (d) ₹11495
20. 20.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3780 (b) ₹3920 (c) ₹3640 (d) ₹280
21. 21.In how many years will ₹7500 earn ₹2700 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
22. 22.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
23. 23.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 35% (b) 8% (c) 7% (d) 6%
24. 24.₹1500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2100 (b) ₹450 (c) ₹1650 (d) ₹1950
25. 25.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7950 (b) ₹1350 (c) ₹9300 (d) ₹8850
26. 26.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
27. 27.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
28. 28.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
29. 29.The simple interest on ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 10%
30. 30.₹9500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹10640 (b) ₹5700 (c) ₹15200 (d) ₹16340
31. 31.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
32. 32.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2720 (b) ₹720 (c) ₹2180 (d) ₹2900
33. 33.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹2000 (b) ₹2500 (c) ₹500 (d) ₹7000
34. 34.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹1400 (c) ₹4280 (d) ₹5680
35. 35.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2220 (b) ₹3320 (c) ₹1100 (d) ₹3100
36. 36.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4360 (b) ₹4120 (c) ₹4240 (d) ₹240
37. 37.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹245 (b) ₹490 (c) ₹3990 (d) ₹735
38. 38.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹2875 (b) ₹450 (c) ₹75 (d) ₹375
39. 39.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 16%
40. 40.The simple interest on ₹6000 for 3 years is ₹900. What is the rate per year? (a) 6% (b) 15% (c) 5% (d) 4%

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