Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 672 · 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.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹2660 (c) ₹440 (d) ₹2440
2. 2.The simple interest on ₹8000 for 2 years is ₹800. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
3. 3.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹1750 (c) ₹2100 (d) ₹8750
4. 4.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
5. 5.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
6. 6.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
7. 7.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
8. 8.The simple interest on ₹5000 for 2 years is ₹500. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
9. 9.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
10. 10.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
11. 11.₹4000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5280 (b) ₹4320 (c) ₹4960 (d) ₹960
12. 12.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
13. 13.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
14. 14.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
15. 15.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
16. 16.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
17. 17.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹225 (b) ₹8400 (c) ₹900 (d) ₹1125
18. 18.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
19. 19.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹180 (b) ₹720 (c) ₹540 (d) ₹2540
20. 20.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
21. 21.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹1980 (b) ₹1320 (c) ₹660 (d) ₹7320
22. 22.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
23. 23.In how many years will ₹2000 earn ₹480 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
24. 24.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹10600 (c) ₹10400 (d) ₹400
25. 25.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
26. 26.In how many years will ₹5000 earn ₹300 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
27. 27.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹5750 (b) ₹900 (c) ₹150 (d) ₹750
28. 28.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6480 (b) ₹2400 (c) ₹8400 (d) ₹8880
29. 29.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
30. 30.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6825 (b) ₹650 (c) ₹7150 (d) ₹7475
31. 31.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
32. 32.What is the simple interest on ₹6500 at 9% per year for 4 years? (a) ₹2925 (b) ₹8840 (c) ₹585 (d) ₹2340
33. 33.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹660 (b) ₹2640 (c) ₹8140 (d) ₹3300
34. 34.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹600 (b) ₹3000 (c) ₹100 (d) ₹500
35. 35.What is the simple interest on ₹7000 at 8% per year for 5 years? (a) ₹560 (b) ₹9800 (c) ₹3360 (d) ₹2800
36. 36.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
37. 37.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹12000 (b) ₹1600 (c) ₹11600 (d) ₹10400
38. 38.In how many years will ₹6000 earn ₹2700 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
39. 39.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹13000 (b) ₹2000 (c) ₹12000 (d) ₹11000
40. 40.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%

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