Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 782 · 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.₹5000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7250 (b) ₹2250 (c) ₹5450 (d) ₹7700
2. 2.In how many years will ₹5500 earn ₹880 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
3. 3.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
4. 4.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
5. 5.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
6. 6.What is the simple interest on ₹7000 at 3% per year for 3 years? (a) ₹210 (b) ₹7630 (c) ₹840 (d) ₹630
7. 7.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
8. 8.The simple interest on ₹2000 for 5 years is ₹700. What is the rate per year? (a) 35% (b) 6% (c) 7% (d) 8%
9. 9.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹240 (b) ₹180 (c) ₹60 (d) ₹2180
10. 10.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
11. 11.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹180 (c) ₹135 (d) ₹1635
12. 12.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
13. 13.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹4200 (d) ₹240
14. 14.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹300 (b) ₹900 (c) ₹6900 (d) ₹1200
15. 15.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹11600 (c) ₹12000 (d) ₹1600
16. 16.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2650 (b) ₹3100 (c) ₹3250 (d) ₹600
17. 17.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4125 (b) ₹11625 (c) ₹8325 (d) ₹12450
18. 18.₹4500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5175 (b) ₹5040 (c) ₹4635 (d) ₹540
19. 19.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹4500 (b) ₹300 (c) ₹1800 (d) ₹1500
20. 20.The simple interest on ₹5500 for 5 years is ₹2750. What is the rate per year? (a) 11% (b) 10% (c) 50% (d) 9%
21. 21.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹375 (b) ₹8250 (c) ₹1125 (d) ₹750
22. 22.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6380 (b) ₹6600 (c) ₹880 (d) ₹5720
23. 23.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹400 (b) ₹1480 (c) ₹1400 (d) ₹1080
24. 24.In how many years will ₹2000 earn ₹320 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
25. 25.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
26. 26.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
27. 27.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹130 (b) ₹650 (c) ₹780 (d) ₹7150
28. 28.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
29. 29.What is the simple interest on ₹7000 at 3% per year for 4 years? (a) ₹840 (b) ₹7840 (c) ₹210 (d) ₹1050
30. 30.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹360 (b) ₹240 (c) ₹3240 (d) ₹120
31. 31.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹8450 (b) ₹390 (c) ₹1950 (d) ₹2340
32. 32.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
33. 33.In how many years will ₹6000 earn ₹1440 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
34. 34.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹100 (b) ₹400 (c) ₹2300 (d) ₹300
35. 35.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
36. 36.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 3% (b) 1% (c) 6% (d) 2%
37. 37.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹3600 (b) ₹120 (c) ₹720 (d) ₹600
38. 38.The simple interest on ₹9000 for 5 years is ₹4050. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 45%
39. 39.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
40. 40.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹2950 (b) ₹450 (c) ₹675 (d) ₹225

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