Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 176 · 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.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹150 (b) ₹1575 (c) ₹1650 (d) ₹1725
2. 2.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
3. 3.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
4. 4.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹2850 (b) ₹175 (c) ₹350 (d) ₹525
5. 5.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
6. 6.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹320 (b) ₹1240 (c) ₹80 (d) ₹240
7. 7.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
8. 8.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹12600 (b) ₹4500 (c) ₹3600 (d) ₹900
9. 9.The simple interest on ₹6000 for 3 years is ₹900. What is the rate per year? (a) 6% (b) 5% (c) 15% (d) 4%
10. 10.The simple interest on ₹8000 for 5 years is ₹1200. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
11. 11.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹200 (b) ₹800 (c) ₹2800 (d) ₹1000
12. 12.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹2800 (b) ₹300 (c) ₹375 (d) ₹75
13. 13.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
14. 14.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 12% (b) 36% (c) 11% (d) 13%
15. 15.In how many years will ₹6500 earn ₹1300 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
16. 16.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
17. 17.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8925 (b) ₹10200 (c) ₹1275 (d) ₹9775
18. 18.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹1170 (b) ₹7280 (c) ₹390 (d) ₹780
19. 19.What is the simple interest on ₹5500 at 6% per year for 5 years? (a) ₹1650 (b) ₹330 (c) ₹7150 (d) ₹1980
20. 20.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
21. 21.In how many years will ₹8500 earn ₹2550 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
22. 22.₹8000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10880 (b) ₹8480 (c) ₹10400 (d) ₹2400
23. 23.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹120 (b) ₹240 (c) ₹360 (d) ₹3240
24. 24.The simple interest on ₹7000 for 5 years is ₹2100. What is the rate per year? (a) 6% (b) 30% (c) 5% (d) 7%
25. 25.The simple interest on ₹4500 for 3 years is ₹1350. What is the rate per year? (a) 9% (b) 11% (c) 30% (d) 10%
26. 26.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
27. 27.In how many years will ₹4000 earn ₹800 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
28. 28.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹4680 (c) ₹5400 (d) ₹5220
29. 29.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1020 (b) ₹10030 (c) ₹9010 (d) ₹9520
30. 30.In how many years will ₹3500 earn ₹2100 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
31. 31.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4860 (b) ₹1800 (c) ₹6660 (d) ₹6300
32. 32.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
33. 33.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
34. 34.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
35. 35.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹1200 (b) ₹6900 (c) ₹900 (d) ₹300
36. 36.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
37. 37.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹375 (b) ₹2875 (c) ₹2575 (d) ₹2950
38. 38.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹11200 (b) ₹3500 (c) ₹7700 (d) ₹10500
39. 39.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹60 (b) ₹180 (c) ₹120 (d) ₹1120
40. 40.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹420 (b) ₹840 (c) ₹1260 (d) ₹7840

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