Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 61 · 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 ₹5500 for 2 years is ₹880. What is the rate per year? (a) 8% (b) 7% (c) 16% (d) 9%
2. 2.₹5000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹6600 (c) ₹7000 (d) ₹5400
3. 3.In how many years will ₹4000 earn ₹960 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
4. 4.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹475 (b) ₹2375 (c) ₹11875 (d) ₹2850
5. 5.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹625 (b) ₹3000 (c) ₹125 (d) ₹500
6. 6.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹2725 (c) ₹150 (d) ₹2575
7. 7.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹570 (b) ₹760 (c) ₹190 (d) ₹10070
8. 8.In how many years will ₹4000 earn ₹160 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
9. 9.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1360 (b) ₹340 (c) ₹1020 (d) ₹9520
10. 10.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
11. 11.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹200 (b) ₹4400 (c) ₹400 (d) ₹600
12. 12.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
13. 13.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 2% (b) 4% (c) 9% (d) 3%
14. 14.In how many years will ₹6000 earn ₹2640 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
15. 15.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹14800 (b) ₹3600 (c) ₹13600 (d) ₹11200
16. 16.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹150 (b) ₹50 (c) ₹100 (d) ₹2600
17. 17.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
18. 18.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹960 (b) ₹2720 (c) ₹240 (d) ₹720
19. 19.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹1800 (b) ₹11200 (c) ₹600 (d) ₹1200
20. 20.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹525 (b) ₹3025 (c) ₹3200 (d) ₹2675
21. 21.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹175 (b) ₹3375 (c) ₹1050 (d) ₹875
22. 22.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3400 (c) ₹3700 (d) ₹2800
23. 23.₹4000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4120 (b) ₹4600 (c) ₹4480 (d) ₹480
24. 24.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
25. 25.The simple interest on ₹2000 for 5 years is ₹1100. What is the rate per year? (a) 55% (b) 11% (c) 10% (d) 12%
26. 26.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹8960 (b) ₹240 (c) ₹1200 (d) ₹960
27. 27.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%
28. 28.In how many years will ₹5500 earn ₹1650 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
29. 29.₹5500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2200 (b) ₹8140 (c) ₹5940 (d) ₹7700
30. 30.In how many years will ₹3500 earn ₹420 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
31. 31.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 16% (b) 8% (c) 9% (d) 7%
32. 32.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹2320 (b) ₹160 (c) ₹320 (d) ₹480
33. 33.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
34. 34.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹2800 (c) ₹2600 (d) ₹2700
35. 35.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2100 (b) ₹2400 (c) ₹2300 (d) ₹300
36. 36.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 30% (b) 10% (c) 9% (d) 11%
37. 37.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
38. 38.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹10925 (b) ₹475 (c) ₹1900 (d) ₹1425
39. 39.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹420 (b) ₹105 (c) ₹525 (d) ₹3920
40. 40.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹4800 (b) ₹1200 (c) ₹400 (d) ₹800

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