Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 801 · 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.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
2. 2.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹5300 (b) ₹450 (c) ₹300 (d) ₹150
3. 3.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹80 (b) ₹2040 (c) ₹2080 (d) ₹2120
4. 4.The simple interest on ₹9500 for 5 years is ₹2375. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
5. 5.What is the simple interest on ₹2500 at 9% per year for 4 years? (a) ₹900 (b) ₹3400 (c) ₹225 (d) ₹1125
6. 6.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹40 (b) ₹240 (c) ₹2200 (d) ₹200
7. 7.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 6% (b) 5% (c) 15% (d) 4%
8. 8.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹10850 (b) ₹770 (c) ₹3850 (d) ₹4620
9. 9.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹2000 (b) ₹500 (c) ₹1500 (d) ₹6500
10. 10.The simple interest on ₹9000 for 4 years is ₹3600. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
11. 11.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
12. 12.In how many years will ₹4500 earn ₹1575 simple interest at 7% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
13. 13.The simple interest on ₹8500 for 3 years is ₹2805. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
14. 14.What is the simple interest on ₹7500 at 6% per year for 5 years? (a) ₹450 (b) ₹2250 (c) ₹2700 (d) ₹9750
15. 15.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
16. 16.What is the simple interest on ₹9000 at 3% per year for 2 years? (a) ₹9540 (b) ₹810 (c) ₹540 (d) ₹270
17. 17.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10925 (b) ₹9785 (c) ₹1425 (d) ₹11210
18. 18.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹8700 (b) ₹1800 (c) ₹1200 (d) ₹600
19. 19.The simple interest on ₹5000 for 5 years is ₹2250. What is the rate per year? (a) 45% (b) 10% (c) 9% (d) 8%
20. 20.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1650 (b) ₹6100 (c) ₹1100 (d) ₹550
21. 21.In how many years will ₹9500 earn ₹1710 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
22. 22.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10545 (b) ₹13680 (c) ₹4180 (d) ₹14725
23. 23.₹6000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹6420 (b) ₹1260 (c) ₹7260 (d) ₹7680
24. 24.The simple interest on ₹3000 for 4 years is ₹600. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
25. 25.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
26. 26.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
27. 27.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
28. 28.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹240 (b) ₹1240 (c) ₹120 (d) ₹360
29. 29.In how many years will ₹7000 earn ₹280 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
30. 30.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 7% (b) 14% (c) 6% (d) 8%
31. 31.The simple interest on ₹4500 for 3 years is ₹1485. What is the rate per year? (a) 11% (b) 10% (c) 33% (d) 12%
32. 32.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹7800 (c) ₹1800 (d) ₹8400
33. 33.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8700 (b) ₹7800 (c) ₹900 (d) ₹8400
34. 34.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
35. 35.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹250 (b) ₹1250 (c) ₹1500 (d) ₹6250
36. 36.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8720 (b) ₹11600 (c) ₹2880 (d) ₹10880
37. 37.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹3135 (b) ₹2090 (c) ₹11590 (d) ₹1045
38. 38.What is the simple interest on ₹8000 at 6% per year for 5 years? (a) ₹10400 (b) ₹480 (c) ₹2880 (d) ₹2400
39. 39.In how many years will ₹7500 earn ₹1875 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
40. 40.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years

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