Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 330 · 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.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
2. 2.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5120 (b) ₹4280 (c) ₹840 (d) ₹4840
3. 3.In how many years will ₹5500 earn ₹1100 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
4. 4.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 7% (b) 32% (c) 8% (d) 9%
5. 5.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
6. 6.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5400 (b) ₹5175 (c) ₹4725 (d) ₹675
7. 7.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹800 (b) ₹9600 (c) ₹1600 (d) ₹2400
8. 8.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
9. 9.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹1470 (b) ₹245 (c) ₹4725 (d) ₹1225
10. 10.The simple interest on ₹6500 for 3 years is ₹390. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 1%
11. 11.In how many years will ₹7000 earn ₹1960 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
12. 12.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1860 (c) ₹1620 (d) ₹1740
13. 13.₹8500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1785 (b) ₹10285 (c) ₹9095 (d) ₹10880
14. 14.The simple interest on ₹9000 for 5 years is ₹4950. What is the rate per year? (a) 11% (b) 55% (c) 12% (d) 10%
15. 15.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹850 (b) ₹2550 (c) ₹10200 (d) ₹1700
16. 16.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 10%
17. 17.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹480 (b) ₹3360 (c) ₹120 (d) ₹360
18. 18.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹450 (d) ₹3300
19. 19.The simple interest on ₹8000 for 3 years is ₹1920. What is the rate per year? (a) 24% (b) 8% (c) 9% (d) 7%
20. 20.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹2900 (c) ₹400 (d) ₹2700
21. 21.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
22. 22.₹3000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹1320 (c) ₹4650 (d) ₹3330
23. 23.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹10600 (c) ₹12400 (d) ₹13000
24. 24.₹10000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹12000 (c) ₹12400 (d) ₹10400
25. 25.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹450 (b) ₹300 (c) ₹150 (d) ₹2800
26. 26.The simple interest on ₹5000 for 3 years is ₹1800. What is the rate per year? (a) 12% (b) 11% (c) 36% (d) 13%
27. 27.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
28. 28.In how many years will ₹8500 earn ₹4080 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
29. 29.What is the simple interest on ₹4000 at 5% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹4600 (d) ₹600
30. 30.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹210 (b) ₹1050 (c) ₹840 (d) ₹3840
31. 31.The simple interest on ₹4500 for 3 years is ₹945. What is the rate per year? (a) 8% (b) 6% (c) 21% (d) 7%
32. 32.The simple interest on ₹8500 for 5 years is ₹3825. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
33. 33.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹600 (b) ₹2400 (c) ₹11800 (d) ₹1800
34. 34.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
35. 35.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3920
36. 36.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹880 (b) ₹5280 (c) ₹12400 (d) ₹4400
37. 37.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
38. 38.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹400 (b) ₹4400 (c) ₹200 (d) ₹600
39. 39.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
40. 40.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹2100 (b) ₹11400 (c) ₹700 (d) ₹1400

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