Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 180 · 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 ₹2500 for 3 years is ₹750. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
2. 2.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹675 (b) ₹4635 (c) ₹5175 (d) ₹5310
3. 3.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2380 (b) ₹9095 (c) ₹10880 (d) ₹11475
4. 4.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
5. 5.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
6. 6.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
7. 7.The simple interest on ₹1000 for 5 years is ₹500. What is the rate per year? (a) 50% (b) 10% (c) 9% (d) 11%
8. 8.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 20% (b) 4% (c) 6% (d) 5%
9. 9.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹3400 (c) ₹600 (d) ₹2800
10. 10.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹11250 (b) ₹3000 (c) ₹8250 (d) ₹10500
11. 11.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹200 (b) ₹2240 (c) ₹2200 (d) ₹2040
12. 12.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 14%
13. 13.What is the simple interest on ₹7000 at 11% per year for 2 years? (a) ₹2310 (b) ₹8540 (c) ₹1540 (d) ₹770
14. 14.The simple interest on ₹1000 for 4 years is ₹440. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 44%
15. 15.₹1500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹2250 (c) ₹750 (d) ₹2400
16. 16.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹70 (b) ₹140 (c) ₹1140 (d) ₹210
17. 17.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹100 (b) ₹1100 (c) ₹120 (d) ₹20
18. 18.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹9310 (b) ₹3080 (c) ₹770 (d) ₹2310
19. 19.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹9100 (c) ₹7420 (d) ₹8680
20. 20.The simple interest on ₹8500 for 4 years is ₹1020. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
21. 21.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹140 (b) ₹210 (c) ₹3640 (d) ₹70
22. 22.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
23. 23.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9440 (b) ₹8240 (c) ₹1200 (d) ₹9200
24. 24.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹260 (b) ₹6760 (c) ₹130 (d) ₹390
25. 25.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹6525 (b) ₹405 (c) ₹2430 (d) ₹2025
26. 26.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹12000 (b) ₹3600 (c) ₹11100 (d) ₹8400
27. 27.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹4905 (b) ₹135 (c) ₹405 (d) ₹540
28. 28.The simple interest on ₹8500 for 2 years is ₹1700. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 20%
29. 29.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹6800 (b) ₹2400 (c) ₹1800 (d) ₹600
30. 30.What is the simple interest on ₹7500 at 2% per year for 3 years? (a) ₹600 (b) ₹450 (c) ₹150 (d) ₹7950
31. 31.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹605 (b) ₹7315 (c) ₹2420 (d) ₹1815
32. 32.In how many years will ₹9000 earn ₹3150 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
33. 33.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹9270 (c) ₹10080 (d) ₹9810
34. 34.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
35. 35.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
36. 36.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹360 (b) ₹1440 (c) ₹4440 (d) ₹1800
37. 37.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹3420 (b) ₹210 (c) ₹630 (d) ₹420
38. 38.₹1500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹360 (b) ₹1950 (c) ₹1860 (d) ₹1590
39. 39.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 5% (b) 18% (c) 6% (d) 7%
40. 40.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹240 (b) ₹4200 (c) ₹1440 (d) ₹1200

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