Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 953 · 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.₹4500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4635 (b) ₹540 (c) ₹5175 (d) ₹5040
2. 2.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹2730 (b) ₹8775 (c) ₹2275 (d) ₹455
3. 3.In how many years will ₹9000 earn ₹540 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
4. 4.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
5. 5.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 3% (b) 6% (c) 1% (d) 2%
6. 6.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
7. 7.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹1875 (c) ₹1800 (d) ₹1575
8. 8.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹2565 (b) ₹3420 (c) ₹12065 (d) ₹855
9. 9.The simple interest on ₹9500 for 3 years is ₹1140. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
10. 10.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 12% (b) 24% (c) 11% (d) 13%
11. 11.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
12. 12.The simple interest on ₹6500 for 5 years is ₹1950. What is the rate per year? (a) 30% (b) 5% (c) 7% (d) 6%
13. 13.In how many years will ₹9000 earn ₹2520 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
14. 14.In how many years will ₹2000 earn ₹300 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
15. 15.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹950 (b) ₹10450 (c) ₹10640 (d) ₹9690
16. 16.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 6% (b) 7% (c) 21% (d) 8%
17. 17.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
18. 18.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
19. 19.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹6400 (b) ₹350 (c) ₹1400 (d) ₹1750
20. 20.₹9500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹10545 (b) ₹3135 (c) ₹13680 (d) ₹12635
21. 21.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
22. 22.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹10700 (b) ₹13500 (c) ₹3500 (d) ₹14200
23. 23.In how many years will ₹1500 earn ₹450 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
24. 24.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
25. 25.The simple interest on ₹5500 for 3 years is ₹825. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 15%
26. 26.₹5000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹1200 (c) ₹6200 (d) ₹5400
27. 27.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹10260 (b) ₹1890 (c) ₹630 (d) ₹1260
28. 28.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹210 (b) ₹3570 (c) ₹3780 (d) ₹3710
29. 29.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹10900 (c) ₹14500 (d) ₹13600
30. 30.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹4760 (c) ₹3920 (d) ₹4340
31. 31.The simple interest on ₹9500 for 5 years is ₹4750. What is the rate per year? (a) 11% (b) 10% (c) 50% (d) 9%
32. 32.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2025 (b) ₹6930 (c) ₹6525 (d) ₹4905
33. 33.₹3500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹4655 (b) ₹3885 (c) ₹1155 (d) ₹5040
34. 34.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹560 (b) ₹280 (c) ₹7560 (d) ₹840
35. 35.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹40 (b) ₹1080 (c) ₹80 (d) ₹120
36. 36.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹450 (d) ₹2950
37. 37.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹8640 (c) ₹640 (d) ₹8960
38. 38.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
39. 39.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹440 (b) ₹1440 (c) ₹550 (d) ₹110
40. 40.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years

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