Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 818 · 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.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 3% (c) 9% (d) 2%
2. 2.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1710 (b) ₹10640 (c) ₹570 (d) ₹1140
3. 3.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹8960 (b) ₹480 (c) ₹1440 (d) ₹960
4. 4.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹680 (b) ₹9520 (c) ₹9180 (d) ₹8840
5. 5.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹585 (b) ₹2340 (c) ₹8840 (d) ₹2925
6. 6.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
7. 7.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
8. 8.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹5700 (b) ₹6840 (c) ₹1140 (d) ₹15200
9. 9.The simple interest on ₹10000 for 4 years is ₹4800. What is the rate per year? (a) 12% (b) 48% (c) 11% (d) 13%
10. 10.₹4500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹4680 (b) ₹540 (c) ₹5220 (d) ₹5040
11. 11.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹180 (b) ₹540 (c) ₹3360 (d) ₹360
12. 12.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹135 (c) ₹1635 (d) ₹180
13. 13.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7215 (b) ₹8645 (c) ₹9360 (d) ₹2145
14. 14.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹280 (b) ₹140 (c) ₹420 (d) ₹3780
15. 15.The simple interest on ₹8500 for 5 years is ₹3400. What is the rate per year? (a) 8% (b) 7% (c) 40% (d) 9%
16. 16.The simple interest on ₹8500 for 4 years is ₹2720. What is the rate per year? (a) 32% (b) 7% (c) 9% (d) 8%
17. 17.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 10%
18. 18.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹1440 (b) ₹720 (c) ₹2160 (d) ₹7440
19. 19.₹5500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹7810 (c) ₹7425 (d) ₹5885
20. 20.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
21. 21.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹4320 (c) ₹4080 (d) ₹320
22. 22.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹150 (c) ₹2650 (d) ₹225
23. 23.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
24. 24.In how many years will ₹10000 earn ₹2200 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
25. 25.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
26. 26.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9525 (b) ₹8850 (c) ₹8175 (d) ₹1350
27. 27.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹2700 (b) ₹300 (c) ₹200 (d) ₹100
28. 28.In how many years will ₹6000 earn ₹1200 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
29. 29.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹4050 (b) ₹1050 (c) ₹1260 (d) ₹210
30. 30.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
31. 31.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5320 (b) ₹4880 (c) ₹880 (d) ₹4440
32. 32.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹120 (b) ₹40 (c) ₹80 (d) ₹2080
33. 33.The simple interest on ₹8500 for 3 years is ₹2550. What is the rate per year? (a) 11% (b) 9% (c) 30% (d) 10%
34. 34.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 20%
35. 35.In how many years will ₹6000 earn ₹1080 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
36. 36.₹7500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹9600 (b) ₹1575 (c) ₹8025 (d) ₹9075
37. 37.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹735 (b) ₹4235 (c) ₹3745 (d) ₹4480
38. 38.The simple interest on ₹7000 for 3 years is ₹2310. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
39. 39.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹975 (b) ₹7150 (c) ₹325 (d) ₹650
40. 40.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years

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