Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 40 · 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 ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹210 (c) ₹1210 (d) ₹280
2. 2.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹8480 (b) ₹240 (c) ₹720 (d) ₹480
3. 3.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹9200 (d) ₹240
4. 4.₹9000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹13320 (b) ₹10080 (c) ₹4320 (d) ₹14400
5. 5.The simple interest on ₹2000 for 5 years is ₹800. What is the rate per year? (a) 9% (b) 8% (c) 40% (d) 7%
6. 6.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹3180 (b) ₹90 (c) ₹180 (d) ₹270
7. 7.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
8. 8.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹3920 (b) ₹140 (c) ₹420 (d) ₹560
9. 9.₹6000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8160 (b) ₹1440 (c) ₹6720 (d) ₹7440
10. 10.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹5310 (b) ₹810 (c) ₹5580 (d) ₹4770
11. 11.In how many years will ₹10000 earn ₹2100 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
12. 12.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
13. 13.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹1080 (b) ₹3240 (c) ₹11160 (d) ₹2160
14. 14.In how many years will ₹3500 earn ₹350 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
15. 15.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹10800 (b) ₹560 (c) ₹2800 (d) ₹3360
16. 16.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹5580 (b) ₹360 (c) ₹1080 (d) ₹1440
17. 17.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 22%
18. 18.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
19. 19.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
20. 20.What is the simple interest on ₹5000 at 4% per year for 2 years? (a) ₹600 (b) ₹200 (c) ₹5400 (d) ₹400
21. 21.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹8680 (b) ₹2240 (c) ₹560 (d) ₹1680
22. 22.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹660 (b) ₹880 (c) ₹2660 (d) ₹220
23. 23.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹280 (b) ₹140 (c) ₹2280 (d) ₹420
24. 24.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹1980 (b) ₹2640 (c) ₹7480 (d) ₹660
25. 25.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 24%
26. 26.In how many years will ₹3500 earn ₹525 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
27. 27.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
28. 28.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹950 (b) ₹10925 (c) ₹9975 (d) ₹10450
29. 29.In how many years will ₹8500 earn ₹765 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
30. 30.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
31. 31.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2875 (b) ₹2575 (c) ₹2800 (d) ₹300
32. 32.The simple interest on ₹9500 for 4 years is ₹3420. What is the rate per year? (a) 9% (b) 36% (c) 8% (d) 10%
33. 33.₹10000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹17200 (b) ₹6000 (c) ₹16000 (d) ₹11200
34. 34.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2125 (b) ₹10625 (c) ₹425 (d) ₹2550
35. 35.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
36. 36.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
37. 37.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
38. 38.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹9350 (c) ₹11050 (d) ₹1700
39. 39.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
40. 40.The simple interest on ₹5000 for 5 years is ₹2250. What is the rate per year? (a) 45% (b) 8% (c) 9% (d) 10%

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad