Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 422 · 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.₹5500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6105 (b) ₹8525 (c) ₹2420 (d) ₹7920
2. 2.In how many years will ₹3500 earn ₹560 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
3. 3.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹10540 (b) ₹2040 (c) ₹2720 (d) ₹680
4. 4.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹200 (b) ₹2800 (c) ₹800 (d) ₹1000
5. 5.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
6. 6.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
7. 7.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹12400 (b) ₹13200 (c) ₹10800 (d) ₹2400
8. 8.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹1180 (b) ₹60 (c) ₹180 (d) ₹240
9. 9.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
10. 10.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹640 (b) ₹1920 (c) ₹9280 (d) ₹1280
11. 11.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹6760 (b) ₹7800 (c) ₹1300 (d) ₹8060
12. 12.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 25%
13. 13.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4860 (b) ₹1080 (c) ₹5940 (d) ₹5580
14. 14.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹60 (d) ₹360
15. 15.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
16. 16.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹800 (c) ₹2800 (d) ₹2200
17. 17.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
18. 18.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
19. 19.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹3920 (b) ₹420 (c) ₹105 (d) ₹525
20. 20.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹7150 (b) ₹650 (c) ₹975 (d) ₹325
21. 21.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
22. 22.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
23. 23.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
24. 24.₹1000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1450 (b) ₹360 (c) ₹1090 (d) ₹1360
25. 25.The simple interest on ₹9500 for 5 years is ₹5700. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 60%
26. 26.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
27. 27.₹5500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹6820 (c) ₹6600 (d) ₹5720
28. 28.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
29. 29.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2625 (b) ₹250 (c) ₹2875 (d) ₹2750
30. 30.In how many years will ₹5000 earn ₹2250 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
31. 31.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
32. 32.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
33. 33.The simple interest on ₹10000 for 4 years is ₹2400. What is the rate per year? (a) 5% (b) 7% (c) 24% (d) 6%
34. 34.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
35. 35.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹320 (b) ₹640 (c) ₹960 (d) ₹8640
36. 36.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
37. 37.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
38. 38.The simple interest on ₹6000 for 3 years is ₹900. What is the rate per year? (a) 4% (b) 5% (c) 15% (d) 6%
39. 39.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8755 (b) ₹9265 (c) ₹765 (d) ₹9520
40. 40.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹11160 (b) ₹2880 (c) ₹2160 (d) ₹720

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