Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 13 · 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 ₹2200 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
2. 2.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹4995 (c) ₹6975 (d) ₹7470
3. 3.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹1020 (c) ₹10030 (d) ₹9520
4. 4.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹4200 (b) ₹300 (c) ₹1500 (d) ₹1200
5. 5.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 4% (c) 12% (d) 2%
6. 6.In how many years will ₹4000 earn ₹960 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹7930 (b) ₹1430 (c) ₹2145 (d) ₹715
8. 8.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7020 (b) ₹6630 (c) ₹390 (d) ₹6890
9. 9.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹2750 (c) ₹250 (d) ₹2800
10. 10.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11970 (b) ₹1980 (c) ₹10980 (d) ₹9990
11. 11.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹9300 (b) ₹660 (c) ₹3300 (d) ₹3960
12. 12.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
13. 13.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
14. 14.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
15. 15.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 15%
16. 16.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5000 (b) ₹800 (c) ₹4200 (d) ₹4800
17. 17.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
18. 18.₹6000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹8160 (b) ₹6360 (c) ₹7800 (d) ₹1800
19. 19.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹6160 (b) ₹880 (c) ₹660 (d) ₹220
20. 20.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹680 (b) ₹10540 (c) ₹2720 (d) ₹2040
21. 21.In how many years will ₹5500 earn ₹3025 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
22. 22.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
23. 23.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
25. 25.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹1045 (b) ₹14725 (c) ₹5225 (d) ₹6270
26. 26.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8840 (b) ₹7085 (c) ₹2340 (d) ₹9425
27. 27.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
28. 28.The simple interest on ₹3000 for 3 years is ₹540. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%
29. 29.What is the simple interest on ₹5500 at 12% per year for 5 years? (a) ₹8800 (b) ₹3960 (c) ₹660 (d) ₹3300
30. 30.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
31. 31.The simple interest on ₹8000 for 4 years is ₹960. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
32. 32.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
33. 33.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹2700 (b) ₹900 (c) ₹12700 (d) ₹3600
34. 34.In how many years will ₹10000 earn ₹1500 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
35. 35.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3300 (b) ₹3150 (c) ₹300 (d) ₹3450
36. 36.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1590 (c) ₹1770 (d) ₹1860
37. 37.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
38. 38.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
39. 39.The simple interest on ₹9500 for 2 years is ₹1330. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
40. 40.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%

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