Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 356 · 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 ₹1500 at 3% per year for 5 years? (a) ₹1725 (b) ₹225 (c) ₹45 (d) ₹270
2. 2.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 32%
3. 3.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1360 (b) ₹8840 (c) ₹9860 (d) ₹10200
4. 4.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9310 (b) ₹2310 (c) ₹10080 (d) ₹7770
5. 5.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹765 (b) ₹3060 (c) ₹2295 (d) ₹10795
6. 6.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
7. 7.₹5000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹5800 (b) ₹800 (c) ₹5200 (d) ₹6000
8. 8.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹400 (b) ₹600 (c) ₹4400 (d) ₹200
9. 9.The simple interest on ₹9000 for 2 years is ₹360. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
10. 10.The simple interest on ₹2000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 30%
11. 11.The simple interest on ₹5500 for 4 years is ₹1100. What is the rate per year? (a) 20% (b) 4% (c) 6% (d) 5%
12. 12.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 2% (b) 6% (c) 1% (d) 3%
13. 13.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹5400 (b) ₹225 (c) ₹900 (d) ₹1125
14. 14.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
15. 15.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹80 (d) ₹2320
16. 16.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹1600 (b) ₹9600 (c) ₹2000 (d) ₹400
17. 17.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹4900 (c) ₹4620 (d) ₹1120
18. 18.₹6500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6695 (b) ₹780 (c) ₹7475 (d) ₹7280
19. 19.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
20. 20.₹6000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8880 (b) ₹6480 (c) ₹2400 (d) ₹8400
21. 21.What is the simple interest on ₹5000 at 9% per year for 3 years? (a) ₹1800 (b) ₹6350 (c) ₹1350 (d) ₹450
22. 22.In how many years will ₹8500 earn ₹2550 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
23. 23.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5500 (b) ₹6000 (c) ₹6500 (d) ₹1000
24. 24.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8840 (b) ₹7085 (c) ₹2340 (d) ₹9425
25. 25.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 9% (b) 10% (c) 40% (d) 11%
26. 26.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
27. 27.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
28. 28.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9750 (b) ₹9000 (c) ₹8250 (d) ₹1500
29. 29.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1605 (b) ₹315 (c) ₹1815 (d) ₹1920
30. 30.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
31. 31.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹13175 (b) ₹5610 (c) ₹935 (d) ₹4675
32. 32.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
33. 33.The simple interest on ₹7000 for 4 years is ₹1960. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%
34. 34.₹7000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8470 (b) ₹8960 (c) ₹1470 (d) ₹7490
35. 35.The simple interest on ₹7500 for 3 years is ₹450. What is the rate per year? (a) 6% (b) 1% (c) 3% (d) 2%
36. 36.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10260 (b) ₹3800 (c) ₹13300 (d) ₹14060
37. 37.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
38. 38.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 2% (b) 1% (c) 4% (d) 3%
39. 39.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹720 (c) ₹6360 (d) ₹6720
40. 40.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹7080 (b) ₹540 (c) ₹1080 (d) ₹1620

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