Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 898 · 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.The simple interest on ₹3000 for 5 years is ₹1800. What is the rate per year? (a) 60% (b) 12% (c) 11% (d) 13%
2. 2.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹2700 (b) ₹100 (c) ₹200 (d) ₹300
3. 3.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 13% (b) 36% (c) 12% (d) 11%
4. 4.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹2700 (c) ₹400 (d) ₹2900
5. 5.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
6. 6.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
7. 7.The simple interest on ₹7000 for 5 years is ₹2450. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 35%
8. 8.The simple interest on ₹9000 for 5 years is ₹5400. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 60%
9. 9.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹330 (b) ₹5665 (c) ₹5830 (d) ₹5995
10. 10.In how many years will ₹3000 earn ₹600 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
11. 11.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹2360 (b) ₹540 (c) ₹360 (d) ₹180
12. 12.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹1650 (b) ₹3875 (c) ₹1375 (d) ₹275
13. 13.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
14. 14.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
15. 15.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹1620 (b) ₹540 (c) ₹2160 (d) ₹7620
16. 16.₹3500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹4340 (c) ₹4130 (d) ₹3710
17. 17.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹14060 (b) ₹10640 (c) ₹4560 (d) ₹15200
18. 18.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 22%
19. 19.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
20. 20.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2310 (b) ₹7770 (c) ₹9310 (d) ₹10080
21. 21.What is the simple interest on ₹8000 at 4% per year for 5 years? (a) ₹9600 (b) ₹1600 (c) ₹320 (d) ₹1920
22. 22.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
23. 23.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1530 (b) ₹1020 (c) ₹9520 (d) ₹510
24. 24.₹5000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6200 (b) ₹5900 (c) ₹900 (d) ₹5300
25. 25.The simple interest on ₹2500 for 5 years is ₹1375. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 55%
26. 26.₹4500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5130 (b) ₹5445 (c) ₹630 (d) ₹4815
27. 27.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
28. 28.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2675 (b) ₹3025 (c) ₹3200 (d) ₹525
29. 29.₹6000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹1800 (c) ₹8160 (d) ₹6360
30. 30.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹210 (b) ₹140 (c) ₹70 (d) ₹1140
31. 31.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
32. 32.What is the simple interest on ₹8500 at 9% per year for 2 years? (a) ₹2295 (b) ₹1530 (c) ₹10030 (d) ₹765
33. 33.What is the simple interest on ₹6500 at 6% per year for 3 years? (a) ₹1170 (b) ₹7670 (c) ₹1560 (d) ₹390
34. 34.What is the simple interest on ₹5500 at 8% per year for 4 years? (a) ₹2200 (b) ₹1760 (c) ₹440 (d) ₹7260
35. 35.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹175 (b) ₹3375 (c) ₹875 (d) ₹1050
36. 36.In how many years will ₹5500 earn ₹3300 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
37. 37.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
38. 38.₹5000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹7250 (c) ₹7700 (d) ₹5450
39. 39.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹600 (b) ₹2600 (c) ₹120 (d) ₹720
40. 40.What is the simple interest on ₹4000 at 7% per year for 5 years? (a) ₹5400 (b) ₹1400 (c) ₹1680 (d) ₹280

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