Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 532 · 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 ₹1000 earn ₹160 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 11% (b) 12% (c) 55% (d) 10%
3. 3.In how many years will ₹5000 earn ₹750 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
4. 4.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹13175 (b) ₹4675 (c) ₹935 (d) ₹5610
5. 5.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6270 (b) ₹770 (c) ₹5885 (d) ₹6655
6. 6.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
7. 7.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹70 (c) ₹420 (d) ₹350
8. 8.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5160 (b) ₹4800 (c) ₹3360 (d) ₹1800
9. 9.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
10. 10.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹750 (b) ₹250 (c) ₹5500 (d) ₹500
11. 11.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2675 (b) ₹350 (c) ₹2850 (d) ₹3025
12. 12.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹450 (b) ₹4950 (c) ₹225 (d) ₹675
13. 13.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
14. 14.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
15. 15.The simple interest on ₹9500 for 3 years is ₹2850. What is the rate per year? (a) 30% (b) 9% (c) 11% (d) 10%
16. 16.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
17. 17.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
18. 18.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹8640 (c) ₹11200 (d) ₹11840
19. 19.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹165 (b) ₹495 (c) ₹330 (d) ₹1830
20. 20.What is the simple interest on ₹4000 at 7% per year for 5 years? (a) ₹5400 (b) ₹280 (c) ₹1680 (d) ₹1400
21. 21.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2145 (b) ₹7215 (c) ₹9360 (d) ₹8645
22. 22.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
23. 23.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹6050 (c) ₹275 (d) ₹550
24. 24.The simple interest on ₹1000 for 3 years is ₹300. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 30%
25. 25.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1710 (b) ₹285 (c) ₹10925 (d) ₹1425
26. 26.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
27. 27.The simple interest on ₹9500 for 4 years is ₹4560. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 48%
28. 28.In how many years will ₹4500 earn ₹1800 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
29. 29.The simple interest on ₹4500 for 5 years is ₹900. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
30. 30.In how many years will ₹1500 earn ₹450 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
31. 31.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11700 (b) ₹2250 (c) ₹9450 (d) ₹11250
32. 32.The simple interest on ₹10000 for 3 years is ₹3300. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
33. 33.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹7280 (c) ₹1120 (d) ₹8120
34. 34.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹900 (b) ₹180 (c) ₹2400 (d) ₹1080
35. 35.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹150 (b) ₹1100 (c) ₹100 (d) ₹50
36. 36.The simple interest on ₹7000 for 2 years is ₹1260. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
37. 37.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹1620 (b) ₹540 (c) ₹7080 (d) ₹1080
38. 38.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
39. 39.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹600 (b) ₹150 (c) ₹5600 (d) ₹750
40. 40.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹2400 (b) ₹3200 (c) ₹10400 (d) ₹800

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