Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 467 · 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 ₹9000 at 9% per year for 5 years? (a) ₹810 (b) ₹4050 (c) ₹13050 (d) ₹4860
2. 2.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹2420 (b) ₹560 (c) ₹420 (d) ₹140
3. 3.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
4. 4.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 15%
5. 5.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
6. 6.₹8500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹1020 (c) ₹9520 (d) ₹10030
7. 7.What is the simple interest on ₹1000 at 11% per year for 3 years? (a) ₹110 (b) ₹440 (c) ₹330 (d) ₹1330
8. 8.What is the simple interest on ₹2000 at 7% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹140 (d) ₹2560
9. 9.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹2700 (b) ₹900 (c) ₹10800 (d) ₹1800
10. 10.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
11. 11.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
12. 12.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11210 (b) ₹10070 (c) ₹1710 (d) ₹11780
13. 13.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 9% (b) 18% (c) 8% (d) 10%
14. 14.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹75 (b) ₹300 (c) ₹2800 (d) ₹375
15. 15.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹300 (d) ₹3400
16. 16.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹1800 (d) ₹6300
17. 17.In how many years will ₹5500 earn ₹1320 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
18. 18.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
19. 19.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5400 (b) ₹900 (c) ₹4950 (d) ₹5850
20. 20.The simple interest on ₹3000 for 3 years is ₹1080. What is the rate per year? (a) 13% (b) 36% (c) 11% (d) 12%
21. 21.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6480 (c) ₹6720 (d) ₹6240
22. 22.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹2200 (c) ₹200 (d) ₹2040
23. 23.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
24. 24.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹840 (b) ₹140 (c) ₹700 (d) ₹7700
25. 25.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹5750 (c) ₹750 (d) ₹900
26. 26.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹12000 (b) ₹11600 (c) ₹1600 (d) ₹10400
27. 27.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹340 (b) ₹8670 (c) ₹9010 (d) ₹8840
28. 28.₹8500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2295 (b) ₹11560 (c) ₹9265 (d) ₹10795
29. 29.The simple interest on ₹3000 for 5 years is ₹450. What is the rate per year? (a) 15% (b) 2% (c) 3% (d) 4%
30. 30.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹4655 (b) ₹1540 (c) ₹1155 (d) ₹385
31. 31.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 5%
32. 32.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹11625 (b) ₹825 (c) ₹4125 (d) ₹4950
33. 33.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹260 (b) ₹520 (c) ₹7020 (d) ₹780
34. 34.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
35. 35.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹1050 (b) ₹525 (c) ₹1575 (d) ₹8550
36. 36.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
37. 37.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹2300 (c) ₹2200 (d) ₹2100
38. 38.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹680 (b) ₹9010 (c) ₹170 (d) ₹510
39. 39.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
40. 40.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹770 (b) ₹9310 (c) ₹2310 (d) ₹3080

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