Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 359 · 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 ₹6000 at 5% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹6600 (d) ₹600
2. 2.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹5000 (c) ₹4200 (d) ₹5200
3. 3.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 12% (b) 44% (c) 11% (d) 10%
4. 4.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹5150 (c) ₹5750 (d) ₹5600
5. 5.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1120 (b) ₹8560 (c) ₹9120 (d) ₹9680
6. 6.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹12635 (b) ₹10545 (c) ₹11590 (d) ₹2090
7. 7.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
8. 8.In how many years will ₹7500 earn ₹1800 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
9. 9.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
10. 10.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8680 (b) ₹8260 (c) ₹1260 (d) ₹7420
11. 11.₹5500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹8140 (c) ₹7480 (d) ₹6160
12. 12.The simple interest on ₹4000 for 5 years is ₹2400. What is the rate per year? (a) 13% (b) 60% (c) 12% (d) 11%
13. 13.The simple interest on ₹8000 for 3 years is ₹1200. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
14. 14.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹6710 (c) ₹605 (d) ₹1210
15. 15.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹9520 (b) ₹14620 (c) ₹5100 (d) ₹13600
16. 16.In how many years will ₹9500 earn ₹4180 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
17. 17.The simple interest on ₹9000 for 3 years is ₹2430. What is the rate per year? (a) 27% (b) 8% (c) 9% (d) 10%
18. 18.₹2500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹2725 (b) ₹2950 (c) ₹3175 (d) ₹450
19. 19.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹280 (b) ₹3570 (c) ₹3780 (d) ₹3850
20. 20.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹540 (c) ₹135 (d) ₹405
21. 21.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹200 (b) ₹160 (c) ₹2160 (d) ₹40
22. 22.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹5680 (c) ₹1400 (d) ₹4280
23. 23.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹3360 (b) ₹840 (c) ₹2520 (d) ₹9520
24. 24.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹1485 (b) ₹6490 (c) ₹495 (d) ₹990
25. 25.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3400 (b) ₹2800 (c) ₹3700 (d) ₹900
26. 26.What is the simple interest on ₹10000 at 5% per year for 2 years? (a) ₹500 (b) ₹11000 (c) ₹1500 (d) ₹1000
27. 27.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
28. 28.In how many years will ₹6000 earn ₹960 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
29. 29.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
30. 30.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
31. 31.In how many years will ₹4500 earn ₹1800 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
32. 32.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹6300 (b) ₹2250 (c) ₹1800 (d) ₹450
33. 33.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10350 (b) ₹9450 (c) ₹9900 (d) ₹900
34. 34.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
35. 35.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8755 (b) ₹9520 (c) ₹765 (d) ₹9265
36. 36.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
37. 37.In how many years will ₹9000 earn ₹1080 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
38. 38.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 55% (b) 10% (c) 12% (d) 11%
39. 39.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹390 (b) ₹1170 (c) ₹780 (d) ₹7280
40. 40.₹9500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1425 (b) ₹11400 (c) ₹9975 (d) ₹10925

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