Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 211 · 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.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 24% (b) 5% (c) 6% (d) 7%
2. 2.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹840 (b) ₹280 (c) ₹4560 (d) ₹560
3. 3.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
4. 4.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹540 (c) ₹2220 (d) ₹2040
5. 5.What is the simple interest on ₹9000 at 8% per year for 5 years? (a) ₹720 (b) ₹12600 (c) ₹3600 (d) ₹4320
6. 6.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10030 (b) ₹9775 (c) ₹1275 (d) ₹8755
7. 7.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
8. 8.What is the simple interest on ₹8500 at 4% per year for 5 years? (a) ₹2040 (b) ₹10200 (c) ₹1700 (d) ₹340
9. 9.₹5500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5665 (b) ₹6160 (c) ₹495 (d) ₹5995
10. 10.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
11. 11.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 16%
12. 12.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹7800 (b) ₹1300 (c) ₹325 (d) ₹1625
13. 13.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8645 (b) ₹9360 (c) ₹7215 (d) ₹2145
14. 14.₹9000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹10440 (c) ₹10080 (d) ₹9360
15. 15.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9540 (b) ₹540 (c) ₹9270 (d) ₹9810
16. 16.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹4480 (b) ₹1225 (c) ₹245 (d) ₹980
17. 17.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4900 (b) ₹4550 (c) ₹3850 (d) ₹1050
18. 18.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
19. 19.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹350 (c) ₹420 (d) ₹70
20. 20.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹14620 (b) ₹5100 (c) ₹13600 (d) ₹9520
21. 21.What is the simple interest on ₹4000 at 10% per year for 3 years? (a) ₹1600 (b) ₹1200 (c) ₹400 (d) ₹5200
22. 22.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹960 (b) ₹720 (c) ₹6720 (d) ₹240
23. 23.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
24. 24.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1950 (b) ₹7150 (c) ₹8450 (d) ₹9100
25. 25.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3850 (b) ₹3570 (c) ₹3780 (d) ₹280
26. 26.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
27. 27.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹280 (d) ₹3780
28. 28.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10355 (b) ₹10070 (c) ₹9785 (d) ₹570
29. 29.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹1155 (b) ₹385 (c) ₹4655 (d) ₹1540
30. 30.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
31. 31.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
32. 32.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹70 (b) ₹350 (c) ₹420 (d) ₹1350
33. 33.The simple interest on ₹3000 for 2 years is ₹600. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 20%
34. 34.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10355 (b) ₹9785 (c) ₹855 (d) ₹10640
35. 35.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹1200 (c) ₹1240 (d) ₹1040
36. 36.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹9520 (b) ₹1360 (c) ₹340 (d) ₹1020
37. 37.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
38. 38.In how many years will ₹5500 earn ₹1100 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
39. 39.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹315 (b) ₹5130 (c) ₹945 (d) ₹630
40. 40.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%

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