Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 32 · 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 ₹5500 at 5% per year for 3 years? (a) ₹275 (b) ₹1100 (c) ₹6325 (d) ₹825
2. 2.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
3. 3.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹270 (b) ₹90 (c) ₹3270 (d) ₹360
4. 4.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
5. 5.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹240 (b) ₹2180 (c) ₹60 (d) ₹180
6. 6.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
7. 7.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹240 (b) ₹60 (c) ₹300 (d) ₹2240
8. 8.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹810 (b) ₹5040 (c) ₹270 (d) ₹540
9. 9.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹140 (b) ₹280 (c) ₹3780 (d) ₹420
10. 10.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹400 (b) ₹800 (c) ₹1200 (d) ₹10800
11. 11.The simple interest on ₹9000 for 5 years is ₹5400. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%
12. 12.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
13. 13.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 21% (b) 6% (c) 7% (d) 8%
14. 14.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
15. 15.In how many years will ₹4000 earn ₹560 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
16. 16.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹1080 (c) ₹60 (d) ₹1060
17. 17.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9350 (b) ₹8670 (c) ₹680 (d) ₹9180
18. 18.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹8800 (d) ₹800
19. 19.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹1150 (b) ₹200 (c) ₹150 (d) ₹50
20. 20.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
21. 21.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
22. 22.₹5000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹6000 (b) ₹5750 (c) ₹5250 (d) ₹750
23. 23.In how many years will ₹8000 earn ₹1280 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
24. 24.The simple interest on ₹2000 for 3 years is ₹660. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
25. 25.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 30% (b) 7% (c) 5% (d) 6%
26. 26.In how many years will ₹5500 earn ₹1540 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
27. 27.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹3720 (b) ₹720 (c) ₹960 (d) ₹240
28. 28.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
29. 29.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
30. 30.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
31. 31.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹600 (d) ₹3100
32. 32.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7650 (b) ₹300 (c) ₹7800 (d) ₹7950
33. 33.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
34. 34.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹2280 (d) ₹280
35. 35.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹1600 (b) ₹400 (c) ₹2000 (d) ₹6600
36. 36.The simple interest on ₹8500 for 3 years is ₹1275. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 15%
37. 37.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
38. 38.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹11000 (c) ₹15000 (d) ₹14000
39. 39.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹5680 (b) ₹5400 (c) ₹4280 (d) ₹1400
40. 40.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 7% (b) 30% (c) 5% (d) 6%

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