Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 694 · 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 6% per year for 2 years? (a) ₹150 (b) ₹2800 (c) ₹450 (d) ₹300
2. 2.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
3. 3.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
4. 4.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
5. 5.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹2400 (b) ₹10400 (c) ₹3200 (d) ₹800
6. 6.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹420 (b) ₹2100 (c) ₹9100 (d) ₹2520
7. 7.The simple interest on ₹10000 for 3 years is ₹2700. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
8. 8.₹2000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹2720 (c) ₹720 (d) ₹2960
9. 9.In how many years will ₹6500 earn ₹2860 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
10. 10.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
11. 11.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹400 (b) ₹500 (c) ₹2900 (d) ₹100
12. 12.What is the simple interest on ₹8000 at 9% per year for 4 years? (a) ₹10880 (b) ₹720 (c) ₹2880 (d) ₹3600
13. 13.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9230 (b) ₹6955 (c) ₹8775 (d) ₹2275
14. 14.In how many years will ₹9500 earn ₹2280 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
15. 15.The simple interest on ₹8000 for 5 years is ₹1600. What is the rate per year? (a) 20% (b) 3% (c) 5% (d) 4%
16. 16.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
17. 17.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹3300 (b) ₹660 (c) ₹3960 (d) ₹9300
18. 18.₹1000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1110 (b) ₹330 (c) ₹1440 (d) ₹1330
19. 19.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 25% (b) 4% (c) 5% (d) 6%
20. 20.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹1320 (c) ₹1240 (d) ₹240
21. 21.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹3240 (b) ₹2160 (c) ₹11160 (d) ₹1080
22. 22.The simple interest on ₹1000 for 3 years is ₹300. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
23. 23.In how many years will ₹3500 earn ₹1050 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
24. 24.The simple interest on ₹1000 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 5% (c) 15% (d) 4%
25. 25.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
26. 26.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹200 (b) ₹40 (c) ₹1160 (d) ₹160
27. 27.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
28. 28.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹13200 (b) ₹2400 (c) ₹12400 (d) ₹10800
29. 29.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
30. 30.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹225 (b) ₹1680 (c) ₹180 (d) ₹45
31. 31.₹6000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6120 (b) ₹480 (c) ₹6600 (d) ₹6480
32. 32.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
33. 33.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6480 (b) ₹8880 (c) ₹2400 (d) ₹8400
34. 34.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹260 (b) ₹7020 (c) ₹520 (d) ₹780
35. 35.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹6050 (c) ₹550 (d) ₹275
36. 36.In how many years will ₹9000 earn ₹1620 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
37. 37.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹700 (b) ₹8400 (c) ₹2100 (d) ₹1400
38. 38.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹3360 (d) ₹360
39. 39.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
40. 40.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2650 (b) ₹2950 (c) ₹3100 (d) ₹450

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