Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 360 · 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.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹510 (b) ₹9520 (c) ₹1530 (d) ₹1020
2. 2.The simple interest on ₹10000 for 4 years is ₹4400. What is the rate per year? (a) 11% (b) 44% (c) 12% (d) 10%
3. 3.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹540 (b) ₹405 (c) ₹1905 (d) ₹135
4. 4.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
5. 5.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹300 (c) ₹400 (d) ₹2800
6. 6.₹6000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6120 (b) ₹360 (c) ₹6480 (d) ₹6360
7. 7.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2220 (b) ₹3320 (c) ₹1100 (d) ₹3100
8. 8.In how many years will ₹10000 earn ₹4500 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
9. 9.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 36% (b) 10% (c) 8% (d) 9%
10. 10.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹9525 (b) ₹10200 (c) ₹2025 (d) ₹8175
11. 11.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9540 (b) ₹11160 (c) ₹10620 (d) ₹1620
12. 12.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3450 (b) ₹300 (c) ₹3300 (d) ₹3150
13. 13.The simple interest on ₹8000 for 4 years is ₹1920. What is the rate per year? (a) 6% (b) 5% (c) 24% (d) 7%
14. 14.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹1350 (b) ₹1620 (c) ₹270 (d) ₹5850
15. 15.In how many years will ₹10000 earn ₹4400 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
16. 16.The simple interest on ₹7000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 5% (c) 18% (d) 6%
17. 17.In how many years will ₹7000 earn ₹4200 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
18. 18.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
19. 19.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
20. 20.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹1530 (b) ₹1275 (c) ₹255 (d) ₹9775
21. 21.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹13600 (c) ₹4080 (d) ₹12580
22. 22.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹1020 (c) ₹100 (d) ₹1120
23. 23.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1150 (b) ₹1180 (c) ₹150 (d) ₹1030
24. 24.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
25. 25.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%
26. 26.The simple interest on ₹5500 for 4 years is ₹880. What is the rate per year? (a) 3% (b) 16% (c) 4% (d) 5%
27. 27.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3080 (b) ₹10850 (c) ₹10080 (d) ₹7770
28. 28.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹2430 (b) ₹1620 (c) ₹810 (d) ₹10620
29. 29.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹2300 (c) ₹2060 (d) ₹2240
30. 30.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹540 (b) ₹360 (c) ₹180 (d) ₹2360
31. 31.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹130 (b) ₹6760 (c) ₹260 (d) ₹390
32. 32.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 4% (b) 16% (c) 3% (d) 5%
33. 33.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹1050 (b) ₹875 (c) ₹4375 (d) ₹175
34. 34.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
35. 35.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹600 (c) ₹8100 (d) ₹7800
36. 36.The simple interest on ₹9000 for 2 years is ₹1440. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
37. 37.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
38. 38.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹960 (b) ₹800 (c) ₹160 (d) ₹2800
39. 39.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹1600 (b) ₹1280 (c) ₹9280 (d) ₹320
40. 40.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹11550 (b) ₹8175 (c) ₹10875 (d) ₹3375

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