Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 529 · 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 ₹1000 at 12% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹1240 (d) ₹120
2. 2.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹15200 (b) ₹4560 (c) ₹10640 (d) ₹14060
3. 3.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
4. 4.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1360 (b) ₹8840 (c) ₹9860 (d) ₹10200
5. 5.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
6. 6.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹4440 (c) ₹3240 (d) ₹1200
7. 7.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹1140 (b) ₹11780 (c) ₹3420 (d) ₹2280
8. 8.In how many years will ₹2500 earn ₹875 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
9. 9.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
10. 10.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
11. 11.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
12. 12.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2060 (b) ₹240 (c) ₹2300 (d) ₹2240
13. 13.In how many years will ₹8000 earn ₹960 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
14. 14.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹250 (b) ₹5750 (c) ₹750 (d) ₹1000
15. 15.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹225 (b) ₹3625 (c) ₹1125 (d) ₹1350
16. 16.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹210 (b) ₹4340 (c) ₹840 (d) ₹1050
17. 17.In how many years will ₹4500 earn ₹900 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
18. 18.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 12% (b) 36% (c) 13% (d) 11%
19. 19.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
20. 20.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹120 (b) ₹480 (c) ₹360 (d) ₹3360
21. 21.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹630 (b) ₹3920 (c) ₹420 (d) ₹210
22. 22.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 4% (b) 16% (c) 3% (d) 5%
23. 23.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
24. 24.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 13% (b) 12% (c) 36% (d) 11%
25. 25.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹1100 (c) ₹6600 (d) ₹7150
26. 26.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹8850 (b) ₹450 (c) ₹1350 (d) ₹1800
27. 27.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
28. 28.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹3850 (b) ₹525 (c) ₹350 (d) ₹175
29. 29.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9920 (b) ₹1920 (c) ₹8960 (d) ₹10880
30. 30.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
31. 31.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹3300 (c) ₹4800 (d) ₹4500
32. 32.What is the simple interest on ₹1000 at 7% per year for 4 years? (a) ₹350 (b) ₹1280 (c) ₹70 (d) ₹280
33. 33.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹2520 (b) ₹630 (c) ₹9520 (d) ₹3150
34. 34.₹8500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2295 (b) ₹11560 (c) ₹10795 (d) ₹9265
35. 35.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹3000 (b) ₹13000 (c) ₹4000 (d) ₹1000
36. 36.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
37. 37.In how many years will ₹4500 earn ₹720 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
38. 38.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹560 (b) ₹280 (c) ₹840 (d) ₹4060
39. 39.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
40. 40.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹10925 (b) ₹475 (c) ₹1900 (d) ₹1425

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