Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 684 · 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 ₹9000 at 10% per year for 3 years? (a) ₹11700 (b) ₹900 (c) ₹3600 (d) ₹2700
2. 2.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹900 (d) ₹2900
3. 3.What is the simple interest on ₹8500 at 5% per year for 3 years? (a) ₹1275 (b) ₹425 (c) ₹1700 (d) ₹9775
4. 4.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹4275 (b) ₹12920 (c) ₹855 (d) ₹3420
5. 5.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹11625 (b) ₹8325 (c) ₹4125 (d) ₹12450
6. 6.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
7. 7.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
8. 8.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹90 (b) ₹270 (c) ₹4680 (d) ₹180
9. 9.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹360 (b) ₹480 (c) ₹120 (d) ₹3360
10. 10.In how many years will ₹8000 earn ₹3840 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
11. 11.In how many years will ₹1000 earn ₹350 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
12. 12.What is the simple interest on ₹3500 at 10% per year for 5 years? (a) ₹5250 (b) ₹1750 (c) ₹350 (d) ₹2100
13. 13.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹4000 (b) ₹300 (c) ₹1500 (d) ₹1800
14. 14.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
15. 15.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹280 (d) ₹3780
16. 16.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹3300 (c) ₹900 (d) ₹3900
17. 17.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹1300 (b) ₹1625 (c) ₹7800 (d) ₹325
18. 18.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4340 (b) ₹3780 (c) ₹840 (d) ₹4620
19. 19.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹4200 (b) ₹175 (c) ₹700 (d) ₹875
20. 20.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7215 (b) ₹7930 (c) ₹8645 (d) ₹1430
21. 21.₹8500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1190 (b) ₹10285 (c) ₹9690 (d) ₹9095
22. 22.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
23. 23.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
24. 24.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5425 (b) ₹1540 (c) ₹5040 (d) ₹3885
25. 25.₹10000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹16600 (b) ₹11100 (c) ₹5500 (d) ₹15500
26. 26.The simple interest on ₹1000 for 5 years is ₹100. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
27. 27.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹11210 (b) ₹1710 (c) ₹2280 (d) ₹570
28. 28.The simple interest on ₹4500 for 4 years is ₹1440. What is the rate per year? (a) 32% (b) 9% (c) 8% (d) 7%
29. 29.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹1080 (b) ₹900 (c) ₹5400 (d) ₹180
30. 30.₹10000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹12400 (b) ₹12000 (c) ₹10400 (d) ₹2000
31. 31.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹450 (d) ₹2800
32. 32.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
33. 33.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
34. 34.₹9500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹10165 (b) ₹13490 (c) ₹3325 (d) ₹12825
35. 35.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹2970 (b) ₹11970 (c) ₹990 (d) ₹3960
36. 36.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6325 (b) ₹550 (c) ₹6050 (d) ₹5775
37. 37.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹660 (b) ₹3660 (c) ₹990 (d) ₹330
38. 38.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10070 (b) ₹10260 (c) ₹9690 (d) ₹570
39. 39.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
40. 40.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%

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