Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 768 · 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.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹3640 (c) ₹3920 (d) ₹3780
2. 2.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹4000 (b) ₹800 (c) ₹3200 (d) ₹11200
3. 3.The simple interest on ₹6500 for 5 years is ₹650. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 10%
4. 4.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
5. 5.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
6. 6.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
7. 7.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
8. 8.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹960 (c) ₹3960 (d) ₹4200
9. 9.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
10. 10.What is the simple interest on ₹5500 at 9% per year for 5 years? (a) ₹7975 (b) ₹2475 (c) ₹495 (d) ₹2970
11. 11.The simple interest on ₹9500 for 3 years is ₹2565. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
12. 12.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹700 (b) ₹4025 (c) ₹175 (d) ₹525
13. 13.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9540 (b) ₹11160 (c) ₹1620 (d) ₹10620
14. 14.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 5% (b) 24% (c) 6% (d) 7%
15. 15.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
16. 16.In how many years will ₹9000 earn ₹1890 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
17. 17.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
18. 18.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹660 (b) ₹110 (c) ₹6050 (d) ₹550
19. 19.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹190 (b) ₹10070 (c) ₹760 (d) ₹570
20. 20.What is the simple interest on ₹8500 at 9% per year for 2 years? (a) ₹1530 (b) ₹765 (c) ₹10030 (d) ₹2295
21. 21.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 8% (b) 21% (c) 6% (d) 7%
22. 22.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹990 (b) ₹660 (c) ₹330 (d) ₹6160
23. 23.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
24. 24.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
25. 25.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
26. 26.In how many years will ₹10000 earn ₹2000 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
27. 27.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹980 (b) ₹4725 (c) ₹3745 (d) ₹4480
28. 28.The simple interest on ₹5500 for 2 years is ₹1100. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
29. 29.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
30. 30.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
31. 31.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%
32. 32.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
33. 33.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹1200 (b) ₹50 (c) ₹250 (d) ₹200
34. 34.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹75 (b) ₹300 (c) ₹2725 (d) ₹225
35. 35.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
36. 36.The simple interest on ₹7000 for 2 years is ₹1120. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
37. 37.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
38. 38.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
39. 39.₹8000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10000 (b) ₹9600 (c) ₹1600 (d) ₹8400
40. 40.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹240 (b) ₹2320 (c) ₹2240 (d) ₹2080

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