Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 681 · 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 ₹6000 at 3% per year for 5 years? (a) ₹6900 (b) ₹180 (c) ₹900 (d) ₹1080
2. 2.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹3000 (b) ₹250 (c) ₹750 (d) ₹500
3. 3.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹720 (c) ₹3720 (d) ₹3360
4. 4.In how many years will ₹8000 earn ₹960 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
5. 5.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
6. 6.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
7. 7.The simple interest on ₹4500 for 4 years is ₹1620. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
8. 8.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 9% (b) 45% (c) 8% (d) 10%
9. 9.₹6000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹7440 (b) ₹6480 (c) ₹7920 (d) ₹1440
10. 10.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹11050 (c) ₹9010 (d) ₹11560
11. 11.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
12. 12.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1650 (b) ₹1575 (c) ₹150 (d) ₹1725
13. 13.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
14. 14.In how many years will ₹5000 earn ₹750 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
15. 15.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 16%
16. 16.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹4860 (b) ₹450 (c) ₹90 (d) ₹360
17. 17.₹8000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹8560 (b) ₹10800 (c) ₹11360 (d) ₹2800
18. 18.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
19. 19.The simple interest on ₹9000 for 5 years is ₹3150. What is the rate per year? (a) 7% (b) 35% (c) 6% (d) 8%
20. 20.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 44% (b) 11% (c) 10% (d) 12%
21. 21.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
22. 22.The simple interest on ₹5500 for 2 years is ₹1100. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 20%
23. 23.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹400 (b) ₹500 (c) ₹2400 (d) ₹100
24. 24.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹75 (b) ₹375 (c) ₹2800 (d) ₹300
25. 25.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
26. 26.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹175 (b) ₹3025 (c) ₹525 (d) ₹700
27. 27.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹1770 (b) ₹270 (c) ₹405 (d) ₹135
28. 28.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹9760 (b) ₹880 (c) ₹1760 (d) ₹2640
29. 29.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹90 (b) ₹1590 (c) ₹135 (d) ₹45
30. 30.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹750 (b) ₹11250 (c) ₹3750 (d) ₹4500
31. 31.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 24%
32. 32.In how many years will ₹10000 earn ₹1600 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
33. 33.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹80 (b) ₹40 (c) ₹1080 (d) ₹120
34. 34.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 30% (b) 6% (c) 7% (d) 5%
35. 35.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹10285 (b) ₹2380 (c) ₹595 (d) ₹1785
36. 36.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹6985 (c) ₹5995 (d) ₹6490
37. 37.In how many years will ₹7500 earn ₹1500 simple interest at 10% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
38. 38.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
39. 39.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹10260 (b) ₹630 (c) ₹1890 (d) ₹1260
40. 40.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 18%

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