Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 178 · 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.In how many years will ₹9500 earn ₹855 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
2. 2.In how many years will ₹6000 earn ₹1500 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
3. 3.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹10150 (b) ₹3150 (c) ₹630 (d) ₹3780
4. 4.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹1000 (b) ₹800 (c) ₹2800 (d) ₹200
5. 5.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹600 (b) ₹3600 (c) ₹900 (d) ₹300
6. 6.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
7. 7.The simple interest on ₹6000 for 5 years is ₹600. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%
8. 8.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7670 (b) ₹975 (c) ₹6695 (d) ₹7475
9. 9.In how many years will ₹5000 earn ₹2000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
10. 10.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
11. 11.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7085 (b) ₹390 (c) ₹6890 (d) ₹6695
12. 12.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹720 (b) ₹3600 (c) ₹4320 (d) ₹11600
13. 13.₹7000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8260 (b) ₹1260 (c) ₹7630 (d) ₹8890
14. 14.₹8000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹8960 (c) ₹13760 (d) ₹12800
15. 15.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
16. 16.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹7950 (c) ₹7650 (d) ₹7800
17. 17.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹165 (b) ₹660 (c) ₹495 (d) ₹5995
18. 18.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹450 (b) ₹90 (c) ₹1860 (d) ₹360
19. 19.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹4640 (b) ₹640 (c) ₹160 (d) ₹800
20. 20.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹100 (b) ₹200 (c) ₹300 (d) ₹1200
21. 21.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
22. 22.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
23. 23.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹1125 (b) ₹8625 (c) ₹225 (d) ₹1350
24. 24.The simple interest on ₹3500 for 4 years is ₹1260. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
25. 25.The simple interest on ₹6000 for 3 years is ₹1440. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 24%
26. 26.What is the simple interest on ₹6000 at 9% per year for 5 years? (a) ₹3240 (b) ₹540 (c) ₹8700 (d) ₹2700
27. 27.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹3900 (b) ₹1200 (c) ₹300 (d) ₹900
28. 28.In how many years will ₹6000 earn ₹1680 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
29. 29.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹750 (b) ₹1000 (c) ₹3250 (d) ₹250
30. 30.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
31. 31.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹6695 (c) ₹585 (d) ₹7085
32. 32.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
33. 33.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 3% (b) 4% (c) 15% (d) 2%
34. 34.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹2380 (b) ₹1785 (c) ₹10285 (d) ₹595
35. 35.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 11% (b) 55% (c) 10% (d) 12%
36. 36.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
37. 37.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹180 (d) ₹1080
38. 38.What is the simple interest on ₹6000 at 3% per year for 4 years? (a) ₹900 (b) ₹180 (c) ₹6720 (d) ₹720
39. 39.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
40. 40.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%

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