Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 718 · 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 ₹7000 at 8% per year for 2 years? (a) ₹8120 (b) ₹560 (c) ₹1120 (d) ₹1680
2. 2.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹600 (b) ₹3600 (c) ₹10500 (d) ₹3000
3. 3.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 6% (b) 7% (c) 12% (d) 5%
4. 4.What is the simple interest on ₹6000 at 8% per year for 4 years? (a) ₹480 (b) ₹1920 (c) ₹2400 (d) ₹7920
5. 5.In how many years will ₹10000 earn ₹2000 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
6. 6.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
7. 7.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
8. 8.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹8750 (d) ₹1750
9. 9.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹1575 (b) ₹315 (c) ₹5075 (d) ₹1890
10. 10.₹7500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹11250 (b) ₹3750 (c) ₹8250 (d) ₹12000
11. 11.In how many years will ₹5500 earn ₹3300 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
12. 12.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 40%
13. 13.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹660 (b) ₹165 (c) ₹495 (d) ₹1995
14. 14.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
15. 15.The simple interest on ₹4000 for 3 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
16. 16.The simple interest on ₹5000 for 2 years is ₹1000. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
17. 17.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
18. 18.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
19. 19.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹1440 (b) ₹110 (c) ₹550 (d) ₹440
20. 20.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
21. 21.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3150 (b) ₹3600 (c) ₹600 (d) ₹3750
22. 22.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹7725 (c) ₹675 (d) ₹8175
23. 23.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9450 (b) ₹900 (c) ₹9900 (d) ₹10350
24. 24.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹3120 (b) ₹8840 (c) ₹2340 (d) ₹780
25. 25.What is the simple interest on ₹7500 at 9% per year for 3 years? (a) ₹9525 (b) ₹2025 (c) ₹2700 (d) ₹675
26. 26.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹765 (b) ₹1020 (c) ₹9265 (d) ₹255
27. 27.The simple interest on ₹8500 for 4 years is ₹680. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
28. 28.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
29. 29.In how many years will ₹5500 earn ₹2200 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
30. 30.₹7000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹7840 (b) ₹12040 (c) ₹11200 (d) ₹4200
31. 31.₹9000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3150 (b) ₹12150 (c) ₹9630 (d) ₹12780
32. 32.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹1400 (b) ₹280 (c) ₹1680 (d) ₹4900
33. 33.What is the simple interest on ₹1500 at 8% per year for 4 years? (a) ₹480 (b) ₹1980 (c) ₹600 (d) ₹120
34. 34.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2580 (b) ₹900 (c) ₹1680 (d) ₹2400
35. 35.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 6% (b) 2% (c) 1% (d) 3%
36. 36.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
37. 37.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹3250 (b) ₹250 (c) ₹750 (d) ₹1000
38. 38.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹350 (b) ₹525 (c) ₹175 (d) ₹2850
39. 39.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1950 (b) ₹8450 (c) ₹7150 (d) ₹9100
40. 40.₹7000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7490 (b) ₹980 (c) ₹8470 (d) ₹7980

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