Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 912 · 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 ₹10000 for 2 years is ₹400. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
2. 2.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹7200 (b) ₹1800 (c) ₹600 (d) ₹1200
3. 3.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 16%
4. 4.₹7000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹7840 (c) ₹10360 (d) ₹11200
5. 5.What is the simple interest on ₹8500 at 4% per year for 4 years? (a) ₹9860 (b) ₹1360 (c) ₹1700 (d) ₹340
6. 6.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1680 (b) ₹180 (c) ₹1590 (d) ₹1770
7. 7.The simple interest on ₹7000 for 5 years is ₹4200. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
8. 8.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹1020 (b) ₹765 (c) ₹255 (d) ₹9265
9. 9.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
10. 10.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹600 (b) ₹480 (c) ₹120 (d) ₹1480
11. 11.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 5% (c) 15% (d) 4%
12. 12.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2580 (b) ₹1680 (c) ₹2400 (d) ₹900
13. 13.The simple interest on ₹2500 for 3 years is ₹600. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
14. 14.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
15. 15.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹3480 (c) ₹480 (d) ₹240
16. 16.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹2000 (b) ₹400 (c) ₹10000 (d) ₹2400
17. 17.The simple interest on ₹7000 for 4 years is ₹3080. What is the rate per year? (a) 12% (b) 10% (c) 44% (d) 11%
18. 18.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
19. 19.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
20. 20.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
21. 21.What is the simple interest on ₹7500 at 2% per year for 3 years? (a) ₹450 (b) ₹150 (c) ₹600 (d) ₹7950
22. 22.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹1275 (b) ₹9350 (c) ₹850 (d) ₹425
23. 23.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹4120 (c) ₹4480 (d) ₹4360
24. 24.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹8960 (b) ₹1280 (c) ₹960 (d) ₹320
25. 25.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 27%
26. 26.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 6% (b) 5% (c) 15% (d) 4%
27. 27.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6240 (b) ₹6720 (c) ₹480 (d) ₹6480
28. 28.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹480 (b) ₹8640 (c) ₹8160 (d) ₹8480
29. 29.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
30. 30.The simple interest on ₹7500 for 3 years is ₹450. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
31. 31.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1530 (c) ₹1560 (d) ₹1590
32. 32.The simple interest on ₹7500 for 5 years is ₹4500. What is the rate per year? (a) 60% (b) 11% (c) 13% (d) 12%
33. 33.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
34. 34.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
35. 35.In how many years will ₹3500 earn ₹1260 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
36. 36.The simple interest on ₹8500 for 2 years is ₹1700. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
37. 37.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
38. 38.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹6240 (b) ₹1200 (c) ₹7200 (d) ₹7440
39. 39.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1210 (b) ₹1070 (c) ₹1140 (d) ₹140
40. 40.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 3% (b) 2% (c) 10% (d) 1%

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