Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 258 · 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.In how many years will ₹5500 earn ₹1485 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
2. 2.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
3. 3.In how many years will ₹10000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
4. 4.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
5. 5.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹180 (b) ₹4860 (c) ₹540 (d) ₹360
6. 6.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 14%
7. 7.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6480 (b) ₹480 (c) ₹6240 (d) ₹6720
8. 8.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹630 (b) ₹210 (c) ₹840 (d) ₹7630
9. 9.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹270 (b) ₹5040 (c) ₹540 (d) ₹810
10. 10.₹3000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3210 (b) ₹4260 (c) ₹4050 (d) ₹1050
11. 11.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 21%
12. 12.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
13. 13.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 4% (b) 6% (c) 25% (d) 5%
14. 14.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
15. 15.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2800 (b) ₹12100 (c) ₹700 (d) ₹2100
16. 16.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹660 (b) ₹3660 (c) ₹3990 (d) ₹3330
17. 17.The simple interest on ₹9000 for 3 years is ₹1890. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 21%
18. 18.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹7000 (b) ₹400 (c) ₹2400 (d) ₹2000
19. 19.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
20. 20.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹490 (b) ₹3745 (c) ₹3990 (d) ₹4235
21. 21.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹13600 (c) ₹3600 (d) ₹14800
22. 22.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
23. 23.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹3360 (c) ₹5160 (d) ₹1800
24. 24.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
25. 25.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
26. 26.The simple interest on ₹3500 for 5 years is ₹700. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
27. 27.What is the simple interest on ₹6000 at 5% per year for 5 years? (a) ₹7500 (b) ₹1800 (c) ₹300 (d) ₹1500
28. 28.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹12240 (b) ₹13175 (c) ₹9435 (d) ₹3740
29. 29.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
30. 30.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
31. 31.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 8% (b) 16% (c) 7% (d) 9%
32. 32.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹11840 (c) ₹8960 (d) ₹10880
33. 33.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
34. 34.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹5500 (b) ₹15500 (c) ₹6600 (d) ₹1100
35. 35.The simple interest on ₹2000 for 2 years is ₹200. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
36. 36.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹600 (b) ₹9300 (c) ₹2400 (d) ₹1800
37. 37.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
38. 38.In how many years will ₹4500 earn ₹450 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
39. 39.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
40. 40.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 48% (b) 12% (c) 13% (d) 11%

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