Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 765 · 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.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹9450 (c) ₹10350 (d) ₹9900
2. 2.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹2540 (b) ₹180 (c) ₹720 (d) ₹540
3. 3.What is the simple interest on ₹5000 at 9% per year for 3 years? (a) ₹1350 (b) ₹450 (c) ₹6350 (d) ₹1800
4. 4.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
5. 5.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
6. 6.What is the simple interest on ₹6000 at 5% per year for 5 years? (a) ₹1500 (b) ₹7500 (c) ₹300 (d) ₹1800
7. 7.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
8. 8.In how many years will ₹9000 earn ₹1620 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
9. 9.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
10. 10.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 40% (b) 9% (c) 8% (d) 7%
11. 11.₹5000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹5400 (c) ₹7400 (d) ₹7000
12. 12.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
13. 13.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
14. 14.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹525 (b) ₹10125 (c) ₹2625 (d) ₹3150
15. 15.The simple interest on ₹1500 for 4 years is ₹180. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
16. 16.₹5000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5250 (b) ₹1250 (c) ₹6500 (d) ₹6250
17. 17.The simple interest on ₹4000 for 3 years is ₹960. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 24%
18. 18.₹6500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7085 (b) ₹2925 (c) ₹10010 (d) ₹9425
19. 19.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
20. 20.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹1500 (b) ₹4500 (c) ₹1800 (d) ₹300
21. 21.What is the simple interest on ₹8500 at 9% per year for 5 years? (a) ₹3825 (b) ₹765 (c) ₹4590 (d) ₹12325
22. 22.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹2025 (c) ₹8175 (d) ₹9525
23. 23.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
24. 24.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
25. 25.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹950 (b) ₹9690 (c) ₹10450 (d) ₹10640
26. 26.What is the simple interest on ₹1500 at 3% per year for 5 years? (a) ₹45 (b) ₹1725 (c) ₹225 (d) ₹270
27. 27.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
28. 28.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1710 (b) ₹10070 (c) ₹11210 (d) ₹11780
29. 29.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3745 (b) ₹980 (c) ₹4480 (d) ₹4725
30. 30.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹315 (b) ₹105 (c) ₹210 (d) ₹1710
31. 31.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹1820 (b) ₹455 (c) ₹1365 (d) ₹7865
32. 32.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
33. 33.The simple interest on ₹9000 for 4 years is ₹1080. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
34. 34.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹660 (b) ₹220 (c) ₹440 (d) ₹2440
35. 35.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3480 (b) ₹360 (c) ₹3120 (d) ₹3360
36. 36.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
37. 37.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6900 (b) ₹6300 (c) ₹6600 (d) ₹600
38. 38.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
39. 39.In how many years will ₹5500 earn ₹1210 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
40. 40.₹4500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5445 (b) ₹4815 (c) ₹945 (d) ₹5760

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