Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 882 · 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 ₹7500 at 9% per year for 4 years? (a) ₹3375 (b) ₹675 (c) ₹10200 (d) ₹2700
2. 2.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹1900 (b) ₹2375 (c) ₹475 (d) ₹11400
3. 3.In how many years will ₹9000 earn ₹1080 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
4. 4.₹7000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7630 (b) ₹9520 (c) ₹1890 (d) ₹8890
5. 5.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2320 (b) ₹2240 (c) ₹240 (d) ₹2080
6. 6.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 6% (b) 12% (c) 5% (d) 7%
7. 7.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
8. 8.The simple interest on ₹8000 for 5 years is ₹2800. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 35%
9. 9.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 15% (b) 6% (c) 5% (d) 4%
10. 10.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
11. 11.In how many years will ₹9000 earn ₹4050 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
12. 12.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹3420 (b) ₹12920 (c) ₹4275 (d) ₹855
13. 13.In how many years will ₹2500 earn ₹800 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
14. 14.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 7% (b) 18% (c) 6% (d) 5%
15. 15.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹5600 (b) ₹300 (c) ₹900 (d) ₹600
16. 16.What is the simple interest on ₹3500 at 7% per year for 3 years? (a) ₹4235 (b) ₹735 (c) ₹245 (d) ₹980
17. 17.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
18. 18.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1360 (b) ₹270 (c) ₹1090 (d) ₹1270
19. 19.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
20. 20.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4440 (b) ₹3240 (c) ₹4200 (d) ₹1200
21. 21.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹2700 (c) ₹3700 (d) ₹3500
22. 22.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹1155 (b) ₹770 (c) ₹385 (d) ₹6270
23. 23.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
24. 24.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹1800 (d) ₹4800
25. 25.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹480 (b) ₹80 (c) ₹400 (d) ₹4400
26. 26.In how many years will ₹5000 earn ₹2250 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
27. 27.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹5080 (b) ₹1440 (c) ₹360 (d) ₹1080
28. 28.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹5500 (b) ₹14400 (c) ₹1100 (d) ₹4400
29. 29.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹1530 (b) ₹1275 (c) ₹9775 (d) ₹255
30. 30.The simple interest on ₹8000 for 5 years is ₹1600. What is the rate per year? (a) 3% (b) 20% (c) 4% (d) 5%
31. 31.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 21%
32. 32.₹2500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹3375 (b) ₹700 (c) ₹3200 (d) ₹2675
33. 33.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 1% (b) 10% (c) 3% (d) 2%
34. 34.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹660 (b) ₹110 (c) ₹550 (d) ₹6050
35. 35.What is the simple interest on ₹7500 at 7% per year for 5 years? (a) ₹10125 (b) ₹2625 (c) ₹525 (d) ₹3150
36. 36.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹225 (b) ₹1350 (c) ₹8625 (d) ₹1125
37. 37.In how many years will ₹10000 earn ₹2700 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
38. 38.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1815 (b) ₹1710 (c) ₹210 (d) ₹1605
39. 39.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
40. 40.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹5300 (b) ₹150 (c) ₹450 (d) ₹300

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