Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 831 · 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 ₹9500 earn ₹3040 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
2. 2.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹1200 (b) ₹400 (c) ₹1600 (d) ₹9200
3. 3.The simple interest on ₹10000 for 4 years is ₹4400. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
4. 4.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 6% (b) 5% (c) 10% (d) 4%
5. 5.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6600 (b) ₹6300 (c) ₹600 (d) ₹6900
6. 6.₹7000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹840 (b) ₹8050 (c) ₹7210 (d) ₹7840
7. 7.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
8. 8.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
9. 9.In how many years will ₹7500 earn ₹1125 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
10. 10.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 22% (b) 11% (c) 10% (d) 12%
11. 11.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
12. 12.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
13. 13.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
14. 14.The simple interest on ₹7000 for 5 years is ₹3850. What is the rate per year? (a) 11% (b) 12% (c) 55% (d) 10%
15. 15.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹1000 (b) ₹3000 (c) ₹13000 (d) ₹4000
16. 16.₹7000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7700 (b) ₹8050 (c) ₹7350 (d) ₹700
17. 17.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹8480 (b) ₹640 (c) ₹160 (d) ₹480
18. 18.₹7500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹8850 (b) ₹900 (c) ₹7950 (d) ₹8400
19. 19.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
20. 20.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
21. 21.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7440 (b) ₹1200 (c) ₹7200 (d) ₹6240
22. 22.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 8% (b) 9% (c) 27% (d) 10%
23. 23.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5665 (b) ₹825 (c) ₹6325 (d) ₹6490
24. 24.The simple interest on ₹3500 for 5 years is ₹1925. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
25. 25.₹1000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1060 (b) ₹1180 (c) ₹1240 (d) ₹180
26. 26.The simple interest on ₹10000 for 5 years is ₹1500. What is the rate per year? (a) 3% (b) 15% (c) 2% (d) 4%
27. 27.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
28. 28.The simple interest on ₹1500 for 3 years is ₹540. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%
29. 29.The simple interest on ₹9000 for 5 years is ₹2250. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
30. 30.₹2000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3100 (b) ₹880 (c) ₹2880 (d) ₹2220
31. 31.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9750 (b) ₹7150 (c) ₹2600 (d) ₹9100
32. 32.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
33. 33.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 5% (b) 4% (c) 25% (d) 6%
34. 34.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹280 (c) ₹210 (d) ₹1210
35. 35.The simple interest on ₹9000 for 4 years is ₹2520. What is the rate per year? (a) 7% (b) 28% (c) 8% (d) 6%
36. 36.In how many years will ₹7500 earn ₹1875 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
37. 37.₹10000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹13000 (b) ₹2500 (c) ₹12500 (d) ₹10500
38. 38.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹540 (c) ₹3810 (d) ₹3540
39. 39.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1950 (b) ₹1875 (c) ₹375 (d) ₹1575
40. 40.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2140 (b) ₹2840 (c) ₹700 (d) ₹2700

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