Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 372 · 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 ₹1000 at 11% per year for 2 years? (a) ₹330 (b) ₹1220 (c) ₹220 (d) ₹110
2. 2.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
3. 3.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹630 (b) ₹840 (c) ₹210 (d) ₹3630
4. 4.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹500 (b) ₹3000 (c) ₹3125 (d) ₹2625
5. 5.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2400 (b) ₹2100 (c) ₹300 (d) ₹2300
6. 6.What is the simple interest on ₹10000 at 5% per year for 5 years? (a) ₹12500 (b) ₹3000 (c) ₹2500 (d) ₹500
7. 7.The simple interest on ₹3500 for 2 years is ₹560. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
8. 8.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 32%
9. 9.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
10. 10.In how many years will ₹2500 earn ₹375 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
11. 11.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
12. 12.What is the simple interest on ₹4500 at 12% per year for 3 years? (a) ₹540 (b) ₹6120 (c) ₹2160 (d) ₹1620
13. 13.The simple interest on ₹7500 for 5 years is ₹750. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
14. 14.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 6% (b) 5% (c) 12% (d) 7%
15. 15.The simple interest on ₹7500 for 3 years is ₹2475. What is the rate per year? (a) 11% (b) 12% (c) 33% (d) 10%
16. 16.The simple interest on ₹1000 for 3 years is ₹120. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 5%
17. 17.₹1000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1060 (b) ₹1300 (c) ₹1360 (d) ₹300
18. 18.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹150 (d) ₹1800
19. 19.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 2% (b) 1% (c) 10% (d) 3%
20. 20.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹180 (b) ₹1080 (c) ₹5400 (d) ₹900
21. 21.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹800 (b) ₹200 (c) ₹1000 (d) ₹10800
22. 22.In how many years will ₹9000 earn ₹4950 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
23. 23.What is the simple interest on ₹4500 at 9% per year for 2 years? (a) ₹810 (b) ₹1215 (c) ₹5310 (d) ₹405
24. 24.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹180 (b) ₹90 (c) ₹270 (d) ₹4680
25. 25.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
26. 26.₹5500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8140 (b) ₹6160 (c) ₹1980 (d) ₹7480
27. 27.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹420 (b) ₹525 (c) ₹1920 (d) ₹105
28. 28.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
29. 29.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
30. 30.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5100 (b) ₹5500 (c) ₹500 (d) ₹5600
31. 31.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
32. 32.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 48%
33. 33.What is the simple interest on ₹1500 at 2% per year for 4 years? (a) ₹30 (b) ₹150 (c) ₹120 (d) ₹1620
34. 34.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
35. 35.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
36. 36.What is the simple interest on ₹6500 at 6% per year for 3 years? (a) ₹7670 (b) ₹390 (c) ₹1560 (d) ₹1170
37. 37.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5100 (b) ₹5300 (c) ₹300 (d) ₹5400
38. 38.The simple interest on ₹2500 for 3 years is ₹375. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
39. 39.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹760 (b) ₹11020 (c) ₹2280 (d) ₹1520
40. 40.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years

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