Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 717 · 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 ₹6000 at 5% per year for 5 years? (a) ₹300 (b) ₹1500 (c) ₹1800 (d) ₹7500
2. 2.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹325 (b) ₹975 (c) ₹7150 (d) ₹650
3. 3.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
4. 4.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹3150 (c) ₹3900 (d) ₹3750
5. 5.The simple interest on ₹6000 for 3 years is ₹1800. What is the rate per year? (a) 9% (b) 30% (c) 11% (d) 10%
6. 6.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹1080 (c) ₹1160 (d) ₹160
7. 7.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
8. 8.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 11% (b) 12% (c) 55% (d) 10%
9. 9.₹9500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9975 (b) ₹1425 (c) ₹11400 (d) ₹10925
10. 10.₹4500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹4950 (c) ₹5040 (d) ₹4590
11. 11.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹1635 (b) ₹45 (c) ₹180 (d) ₹135
12. 12.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹8400 (c) ₹11100 (d) ₹2700
13. 13.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3780 (b) ₹4340 (c) ₹4620 (d) ₹840
14. 14.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
15. 15.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
16. 16.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
17. 17.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
18. 18.What is the simple interest on ₹10000 at 8% per year for 5 years? (a) ₹14000 (b) ₹800 (c) ₹4000 (d) ₹4800
19. 19.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
20. 20.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
21. 21.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹8160 (c) ₹480 (d) ₹8480
22. 22.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 20% (b) 5% (c) 6% (d) 4%
23. 23.₹4000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5080 (b) ₹4360 (c) ₹4720 (d) ₹720
24. 24.The simple interest on ₹8000 for 4 years is ₹960. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 2%
25. 25.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
26. 26.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
27. 27.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
28. 28.What is the simple interest on ₹5000 at 9% per year for 2 years? (a) ₹450 (b) ₹5900 (c) ₹900 (d) ₹1350
29. 29.The simple interest on ₹7500 for 2 years is ₹750. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
30. 30.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
31. 31.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹1200 (d) ₹200
32. 32.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹1890 (b) ₹2520 (c) ₹630 (d) ₹10890
33. 33.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹1950 (b) ₹8125 (c) ₹1625 (d) ₹325
34. 34.The simple interest on ₹5000 for 4 years is ₹2000. What is the rate per year? (a) 9% (b) 11% (c) 40% (d) 10%
35. 35.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹600 (b) ₹2900 (c) ₹200 (d) ₹400
36. 36.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹210 (b) ₹140 (c) ₹70 (d) ₹1140
37. 37.What is the simple interest on ₹8000 at 8% per year for 4 years? (a) ₹10560 (b) ₹3200 (c) ₹640 (d) ₹2560
38. 38.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹1080 (b) ₹720 (c) ₹5220 (d) ₹360
39. 39.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 14% (b) 7% (c) 6% (d) 8%
40. 40.The simple interest on ₹10000 for 2 years is ₹2400. What is the rate per year? (a) 13% (b) 12% (c) 24% (d) 11%

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