Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 337 · 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 ₹4000 earn ₹960 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
2. 2.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
3. 3.In how many years will ₹8500 earn ₹2720 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
4. 4.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹200 (c) ₹400 (d) ₹10400
5. 5.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹9180 (b) ₹680 (c) ₹340 (d) ₹1020
6. 6.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹4400 (b) ₹3300 (c) ₹1100 (d) ₹13300
7. 7.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹330 (b) ₹220 (c) ₹5720 (d) ₹110
8. 8.In how many years will ₹2000 earn ₹480 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
9. 9.In how many years will ₹10000 earn ₹1400 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
10. 10.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3780 (b) ₹280 (c) ₹3920 (d) ₹3640
11. 11.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹4320 (b) ₹400 (c) ₹80 (d) ₹320
12. 12.The simple interest on ₹5500 for 2 years is ₹1100. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
13. 13.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
14. 14.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹195 (b) ₹1170 (c) ₹975 (d) ₹7475
15. 15.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
16. 16.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹12400 (b) ₹3000 (c) ₹600 (d) ₹2400
17. 17.₹10000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹12800 (b) ₹10700 (c) ₹13500 (d) ₹2800
18. 18.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹440 (c) ₹1320 (d) ₹880
19. 19.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9540 (b) ₹12240 (c) ₹11700 (d) ₹2700
20. 20.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹10080 (c) ₹9270 (d) ₹9810
21. 21.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1260 (b) ₹630 (c) ₹8260 (d) ₹1890
22. 22.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 2% (c) 3% (d) 4%
23. 23.In how many years will ₹7500 earn ₹1125 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
24. 24.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
25. 25.What is the simple interest on ₹4000 at 5% per year for 4 years? (a) ₹200 (b) ₹1000 (c) ₹800 (d) ₹4800
26. 26.₹10000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1400 (b) ₹10700 (c) ₹11400 (d) ₹12100
27. 27.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 10% (b) 50% (c) 9% (d) 11%
28. 28.In how many years will ₹7500 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
29. 29.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 24%
30. 30.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1725 (b) ₹1575 (c) ₹1650 (d) ₹150
31. 31.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
32. 32.In how many years will ₹4500 earn ₹945 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
33. 33.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
34. 34.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
35. 35.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
36. 36.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹320 (b) ₹80 (c) ₹2240 (d) ₹240
37. 37.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
38. 38.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
39. 39.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
40. 40.In how many years will ₹7000 earn ₹840 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years

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