Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 844 · 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 ₹8500 earn ₹3740 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
2. 2.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 10% (b) 22% (c) 12% (d) 11%
3. 3.In how many years will ₹6500 earn ₹780 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
4. 4.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4560 (b) ₹4840 (c) ₹560 (d) ₹4280
5. 5.₹9500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹10450 (b) ₹2850 (c) ₹12350 (d) ₹13300
6. 6.In how many years will ₹4500 earn ₹1800 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
7. 7.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹120 (b) ₹3480 (c) ₹600 (d) ₹480
8. 8.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹330 (b) ₹1830 (c) ₹1665 (d) ₹1995
9. 9.₹2000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹480 (b) ₹2160 (c) ₹2480 (d) ₹2640
10. 10.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
11. 11.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹1080 (c) ₹3360 (d) ₹4440
12. 12.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹810 (c) ₹675 (d) ₹135
13. 13.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 45%
14. 14.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹3450 (b) ₹450 (c) ₹150 (d) ₹600
15. 15.In how many years will ₹5000 earn ₹1050 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
16. 16.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
17. 17.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 8% (b) 27% (c) 9% (d) 10%
18. 18.What is the simple interest on ₹4500 at 9% per year for 2 years? (a) ₹810 (b) ₹1215 (c) ₹405 (d) ₹5310
19. 19.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
20. 20.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹560 (b) ₹140 (c) ₹4060 (d) ₹700
21. 21.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9860 (b) ₹10540 (c) ₹9180 (d) ₹1360
22. 22.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹2240 (b) ₹560 (c) ₹2800 (d) ₹10240
23. 23.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8160 (b) ₹800 (c) ₹8960 (d) ₹8800
24. 24.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
25. 25.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹2800 (c) ₹10500 (d) ₹9800
26. 26.₹6500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2925 (b) ₹9425 (c) ₹10010 (d) ₹7085
27. 27.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
28. 28.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹1350 (b) ₹3625 (c) ₹225 (d) ₹1125
29. 29.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹4480 (c) ₹4120 (d) ₹360
30. 30.What is the simple interest on ₹10000 at 12% per year for 5 years? (a) ₹7200 (b) ₹6000 (c) ₹1200 (d) ₹16000
31. 31.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹4130 (b) ₹3710 (c) ₹3920 (d) ₹420
32. 32.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 20% (b) 4% (c) 6% (d) 5%
33. 33.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹420 (b) ₹1920 (c) ₹525 (d) ₹105
34. 34.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
35. 35.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 7% (b) 8% (c) 40% (d) 9%
36. 36.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
37. 37.The simple interest on ₹9000 for 4 years is ₹2520. What is the rate per year? (a) 6% (b) 8% (c) 28% (d) 7%
38. 38.In how many years will ₹5500 earn ₹1375 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
39. 39.₹6500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹780 (b) ₹6695 (c) ₹7280 (d) ₹7475
40. 40.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years

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