Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 693 · 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 ₹2500 at 4% per year for 3 years? (a) ₹2800 (b) ₹300 (c) ₹100 (d) ₹400
2. 2.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹140 (b) ₹560 (c) ₹2420 (d) ₹420
3. 3.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹5225 (b) ₹1045 (c) ₹13680 (d) ₹4180
4. 4.In how many years will ₹5500 earn ₹880 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
5. 5.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 16%
6. 6.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹4400 (b) ₹12400 (c) ₹880 (d) ₹5280
7. 7.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹8060 (b) ₹2080 (c) ₹1560 (d) ₹520
8. 8.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
9. 9.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹660 (b) ₹2660 (c) ₹2880 (d) ₹2220
10. 10.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
11. 11.What is the simple interest on ₹7000 at 4% per year for 4 years? (a) ₹1120 (b) ₹1400 (c) ₹280 (d) ₹8120
12. 12.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹2950 (c) ₹3100 (d) ₹2650
13. 13.₹6500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8775 (b) ₹8320 (c) ₹6955 (d) ₹1820
14. 14.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
15. 15.₹1500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1950 (b) ₹1650 (c) ₹450 (d) ₹2100
16. 16.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
17. 17.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
18. 18.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
19. 19.The simple interest on ₹9500 for 2 years is ₹1520. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
20. 20.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 7% (b) 5% (c) 24% (d) 6%
21. 21.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 16%
22. 22.What is the simple interest on ₹7000 at 11% per year for 2 years? (a) ₹770 (b) ₹1540 (c) ₹8540 (d) ₹2310
23. 23.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
24. 24.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8720 (b) ₹10160 (c) ₹1440 (d) ₹9440
25. 25.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹680 (b) ₹4080 (c) ₹3400 (d) ₹11900
26. 26.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹3300 (b) ₹660 (c) ₹3960 (d) ₹9300
27. 27.In how many years will ₹1000 earn ₹360 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
28. 28.In how many years will ₹6500 earn ₹910 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
29. 29.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
30. 30.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹495 (b) ₹660 (c) ₹5995 (d) ₹165
31. 31.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹1560 (c) ₹1680 (d) ₹1620
32. 32.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹180 (b) ₹1680 (c) ₹45 (d) ₹225
33. 33.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
34. 34.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8160 (b) ₹320 (c) ₹8320 (d) ₹8480
35. 35.The simple interest on ₹7000 for 2 years is ₹1260. What is the rate per year? (a) 18% (b) 8% (c) 10% (d) 9%
36. 36.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 10% (b) 11% (c) 33% (d) 12%
37. 37.The simple interest on ₹6000 for 2 years is ₹1440. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 24%
38. 38.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹330 (b) ₹1665 (c) ₹1995 (d) ₹1830
39. 39.The simple interest on ₹6000 for 3 years is ₹1260. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 21%
40. 40.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years

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