Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 598 · 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.The simple interest on ₹5000 for 5 years is ₹2500. What is the rate per year? (a) 11% (b) 9% (c) 50% (d) 10%
2. 2.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹6960 (b) ₹1200 (c) ₹960 (d) ₹240
3. 3.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹11520 (b) ₹2520 (c) ₹630 (d) ₹3150
4. 4.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹8320 (c) ₹9280 (d) ₹960
5. 5.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹8400 (b) ₹900 (c) ₹1350 (d) ₹450
6. 6.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
7. 7.In how many years will ₹9500 earn ₹2660 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
8. 8.What is the simple interest on ₹4000 at 5% per year for 3 years? (a) ₹200 (b) ₹600 (c) ₹800 (d) ₹4600
9. 9.₹7500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹9300 (b) ₹9000 (c) ₹7800 (d) ₹1500
10. 10.₹8000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1280 (b) ₹9920 (c) ₹8640 (d) ₹9280
11. 11.In how many years will ₹4000 earn ₹2200 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
12. 12.₹6500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹8580 (b) ₹7020 (c) ₹9100 (d) ₹2080
13. 13.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹525 (b) ₹2025 (c) ₹630 (d) ₹105
14. 14.The simple interest on ₹5000 for 3 years is ₹300. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
15. 15.The simple interest on ₹5000 for 3 years is ₹750. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
16. 16.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹5160 (c) ₹3360 (d) ₹1800
17. 17.In how many years will ₹8000 earn ₹2880 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
18. 18.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹3175 (b) ₹225 (c) ₹675 (d) ₹900
19. 19.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹540 (b) ₹2360 (c) ₹180 (d) ₹360
20. 20.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
21. 21.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 14%
22. 22.In how many years will ₹4000 earn ₹720 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
23. 23.What is the simple interest on ₹3500 at 7% per year for 3 years? (a) ₹4235 (b) ₹735 (c) ₹245 (d) ₹980
24. 24.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹13600 (c) ₹14800 (d) ₹3600
25. 25.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹5000 (b) ₹200 (c) ₹1200 (d) ₹1000
26. 26.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹7840 (b) ₹3360 (c) ₹11200 (d) ₹10360
27. 27.In how many years will ₹3500 earn ₹1050 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
28. 28.₹9000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹9720 (c) ₹13320 (d) ₹12600
29. 29.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
30. 30.The simple interest on ₹5000 for 4 years is ₹2200. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 44%
31. 31.The simple interest on ₹5500 for 4 years is ₹880. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 16%
32. 32.In how many years will ₹7500 earn ₹1500 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
33. 33.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹935 (b) ₹3740 (c) ₹12240 (d) ₹4675
34. 34.The simple interest on ₹8000 for 5 years is ₹1600. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 3%
35. 35.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹5100 (b) ₹1020 (c) ₹4080 (d) ₹12580
36. 36.₹9500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹15200 (b) ₹16340 (c) ₹5700 (d) ₹10640
37. 37.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
38. 38.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹240 (b) ₹3960 (c) ₹1200 (d) ₹960
39. 39.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
40. 40.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years

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