Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 191 · 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 ₹1500 at 11% per year for 2 years? (a) ₹165 (b) ₹330 (c) ₹495 (d) ₹1830
2. 2.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹3325 (b) ₹1100 (c) ₹275 (d) ₹825
3. 3.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹440 (b) ₹4880 (c) ₹880 (d) ₹1320
4. 4.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹990 (b) ₹3960 (c) ₹2970 (d) ₹11970
5. 5.In how many years will ₹1500 earn ₹480 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
6. 6.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹10070 (c) ₹1140 (d) ₹10640
7. 7.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹4320 (d) ₹320
8. 8.The simple interest on ₹5000 for 4 years is ₹600. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 12%
9. 9.₹8500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1785 (b) ₹9095 (c) ₹10880 (d) ₹10285
10. 10.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹200 (b) ₹10600 (c) ₹600 (d) ₹800
11. 11.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
12. 12.The simple interest on ₹7500 for 5 years is ₹3750. What is the rate per year? (a) 50% (b) 11% (c) 9% (d) 10%
13. 13.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹1200 (b) ₹3600 (c) ₹12400 (d) ₹2400
14. 14.In how many years will ₹3500 earn ₹280 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
15. 15.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹6525 (b) ₹405 (c) ₹2430 (d) ₹2025
16. 16.The simple interest on ₹9000 for 3 years is ₹2700. What is the rate per year? (a) 30% (b) 10% (c) 9% (d) 11%
17. 17.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1280 (b) ₹9600 (c) ₹8320 (d) ₹9280
18. 18.In how many years will ₹6500 earn ₹1300 simple interest at 5% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
19. 19.₹8500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹11560 (b) ₹9265 (c) ₹10795 (d) ₹2295
20. 20.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 11% (b) 9% (c) 50% (d) 10%
21. 21.The simple interest on ₹5500 for 3 years is ₹990. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 18%
22. 22.In how many years will ₹9000 earn ₹4950 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
23. 23.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹8640 (b) ₹320 (c) ₹640 (d) ₹960
24. 24.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
25. 25.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹10400 (b) ₹400 (c) ₹600 (d) ₹200
26. 26.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹3960 (b) ₹660 (c) ₹9300 (d) ₹3300
27. 27.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹5000 (c) ₹4200 (d) ₹1000
28. 28.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 6% (c) 12% (d) 5%
29. 29.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
30. 30.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
31. 31.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
32. 32.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4480 (b) ₹360 (c) ₹4120 (d) ₹4360
33. 33.In how many years will ₹5000 earn ₹200 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
34. 34.What is the simple interest on ₹7000 at 7% per year for 2 years? (a) ₹490 (b) ₹7980 (c) ₹1470 (d) ₹980
35. 35.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 18% (b) 8% (c) 10% (d) 9%
36. 36.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
37. 37.₹4500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹1440 (c) ₹4860 (d) ₹5940
38. 38.The simple interest on ₹5000 for 3 years is ₹1500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
39. 39.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 7% (b) 5% (c) 30% (d) 6%
40. 40.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹12240 (b) ₹810 (c) ₹4050 (d) ₹3240

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