Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 639 · 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 ₹7500 at 4% per year for 4 years? (a) ₹1200 (b) ₹300 (c) ₹8700 (d) ₹1500
2. 2.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹6480 (c) ₹6960 (d) ₹7440
3. 3.₹1000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1070 (b) ₹280 (c) ₹1350 (d) ₹1280
4. 4.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹9540 (b) ₹180 (c) ₹720 (d) ₹540
5. 5.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
6. 6.In how many years will ₹3500 earn ₹840 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹300 (b) ₹3700 (c) ₹1500 (d) ₹1200
8. 8.₹4000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹6200 (b) ₹2200 (c) ₹4440 (d) ₹6640
9. 9.₹4000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4400 (b) ₹1200 (c) ₹5200 (d) ₹5600
10. 10.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹7800 (c) ₹300 (d) ₹7650
11. 11.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹1045 (b) ₹11590 (c) ₹3135 (d) ₹2090
12. 12.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
13. 13.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
14. 14.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹120 (b) ₹480 (c) ₹600 (d) ₹4480
15. 15.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 30%
16. 16.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6630 (b) ₹650 (c) ₹7150 (d) ₹7280
17. 17.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹1000 (b) ₹6000 (c) ₹250 (d) ₹1250
18. 18.What is the simple interest on ₹1500 at 8% per year for 3 years? (a) ₹1860 (b) ₹360 (c) ₹480 (d) ₹120
19. 19.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹1625 (b) ₹8125 (c) ₹1950 (d) ₹325
20. 20.₹6000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹6180 (b) ₹900 (c) ₹6900 (d) ₹7080
21. 21.In how many years will ₹10000 earn ₹2400 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
22. 22.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
23. 23.The simple interest on ₹4000 for 4 years is ₹1120. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 28%
24. 24.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
25. 25.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹9265 (c) ₹8755 (d) ₹765
26. 26.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
27. 27.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 18%
28. 28.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
29. 29.The simple interest on ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
30. 30.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
31. 31.In how many years will ₹4000 earn ₹800 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
32. 32.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹6960 (b) ₹960 (c) ₹1200 (d) ₹240
33. 33.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1980 (b) ₹1620 (c) ₹480 (d) ₹2100
34. 34.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
35. 35.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 4% (b) 16% (c) 5% (d) 3%
36. 36.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹3700 (c) ₹2800 (d) ₹1200
37. 37.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2800 (b) ₹2100 (c) ₹700 (d) ₹12100
38. 38.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹350 (b) ₹70 (c) ₹1280 (d) ₹280
39. 39.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 6% (b) 14% (c) 7% (d) 8%
40. 40.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹1800 (b) ₹2160 (c) ₹360 (d) ₹4800

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