Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 199 · 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 ₹8000 at 12% per year for 5 years? (a) ₹5760 (b) ₹960 (c) ₹4800 (d) ₹12800
2. 2.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
3. 3.The simple interest on ₹3500 for 3 years is ₹210. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
4. 4.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹2080 (c) ₹2120 (d) ₹80
5. 5.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
6. 6.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
7. 7.The simple interest on ₹4000 for 2 years is ₹720. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
8. 8.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹660 (b) ₹440 (c) ₹5940 (d) ₹220
9. 9.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
10. 10.What is the simple interest on ₹8500 at 6% per year for 3 years? (a) ₹10030 (b) ₹2040 (c) ₹510 (d) ₹1530
11. 11.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹2430 (b) ₹810 (c) ₹1620 (d) ₹10620
12. 12.₹5000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5400 (b) ₹5200 (c) ₹400 (d) ₹5600
13. 13.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹120 (d) ₹1620
14. 14.What is the simple interest on ₹4500 at 4% per year for 3 years? (a) ₹720 (b) ₹5040 (c) ₹180 (d) ₹540
15. 15.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 6%
16. 16.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
17. 17.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 10% (b) 22% (c) 12% (d) 11%
18. 18.₹6500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8060 (b) ₹6890 (c) ₹1170 (d) ₹7670
19. 19.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹4800 (b) ₹360 (c) ₹2160 (d) ₹1800
20. 20.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹840 (b) ₹10360 (c) ₹4200 (d) ₹3360
21. 21.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹315 (b) ₹5760 (c) ₹1575 (d) ₹1260
22. 22.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
23. 23.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
24. 24.₹4000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5440 (b) ₹4240 (c) ₹5200 (d) ₹1200
25. 25.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
26. 26.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹2380 (b) ₹10285 (c) ₹595 (d) ₹1785
27. 27.₹9000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9810 (b) ₹4050 (c) ₹13050 (d) ₹13860
28. 28.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
29. 29.The simple interest on ₹10000 for 2 years is ₹1800. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
30. 30.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹360 (d) ₹3270
31. 31.In how many years will ₹3500 earn ₹2100 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
32. 32.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5175 (b) ₹675 (c) ₹4725 (d) ₹5400
33. 33.In how many years will ₹9500 earn ₹2850 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
34. 34.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
35. 35.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 6% (b) 4% (c) 20% (d) 5%
36. 36.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
37. 37.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹800 (b) ₹400 (c) ₹10800 (d) ₹1200
38. 38.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹150 (b) ₹7800 (c) ₹300 (d) ₹450
39. 39.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹2400 (b) ₹400 (c) ₹80 (d) ₹480
40. 40.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹3720 (c) ₹3480 (d) ₹3240

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