Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 214 · 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.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
2. 2.In how many years will ₹8500 earn ₹765 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
3. 3.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
4. 4.The simple interest on ₹8500 for 3 years is ₹2040. What is the rate per year? (a) 7% (b) 24% (c) 9% (d) 8%
5. 5.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
6. 6.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 8%
7. 7.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹2420 (c) ₹2140 (d) ₹2280
8. 8.The simple interest on ₹4000 for 3 years is ₹720. What is the rate per year? (a) 5% (b) 6% (c) 18% (d) 7%
9. 9.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹8470 (b) ₹1960 (c) ₹1470 (d) ₹490
10. 10.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹770 (b) ₹6270 (c) ₹5885 (d) ₹6655
11. 11.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹1750 (c) ₹8750 (d) ₹2100
12. 12.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
13. 13.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹150 (c) ₹100 (d) ₹1100
14. 14.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 35%
15. 15.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
16. 16.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
17. 17.In how many years will ₹8500 earn ₹1700 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
18. 18.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 40% (b) 8% (c) 9% (d) 7%
19. 19.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
20. 20.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
21. 21.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹320 (b) ₹400 (c) ₹80 (d) ₹4320
22. 22.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹1300 (b) ₹300 (c) ₹60 (d) ₹360
23. 23.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹8100 (c) ₹8400 (d) ₹600
24. 24.The simple interest on ₹5000 for 3 years is ₹1500. What is the rate per year? (a) 9% (b) 30% (c) 11% (d) 10%
25. 25.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹80 (b) ₹1020 (c) ₹1080 (d) ₹1100
26. 26.₹9000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹9540 (c) ₹10620 (d) ₹10080
27. 27.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹11200 (b) ₹600 (c) ₹1800 (d) ₹1200
28. 28.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹600 (b) ₹150 (c) ₹5600 (d) ₹750
29. 29.The simple interest on ₹1500 for 4 years is ₹480. What is the rate per year? (a) 9% (b) 32% (c) 7% (d) 8%
30. 30.In how many years will ₹8500 earn ₹3400 simple interest at 8% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
31. 31.₹4000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹800 (c) ₹4160 (d) ₹4960
32. 32.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 5% (b) 24% (c) 7% (d) 6%
33. 33.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹585 (b) ₹6695 (c) ₹7085 (d) ₹7280
34. 34.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹935 (b) ₹5610 (c) ₹13175 (d) ₹4675
35. 35.In how many years will ₹3000 earn ₹990 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
36. 36.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
37. 37.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
38. 38.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹1155 (b) ₹385 (c) ₹1540 (d) ₹6655
39. 39.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹550 (c) ₹5610 (d) ₹6050
40. 40.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years

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