Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 427 · 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 ₹3500 at 7% per year for 5 years? (a) ₹1225 (b) ₹245 (c) ₹4725 (d) ₹1470
2. 2.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
3. 3.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹3600 (d) ₹720
4. 4.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹8680 (b) ₹840 (c) ₹2520 (d) ₹1680
5. 5.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹900 (b) ₹8175 (c) ₹225 (d) ₹675
6. 6.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹4375 (b) ₹1050 (c) ₹175 (d) ₹875
7. 7.₹10000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹14500 (b) ₹10900 (c) ₹4500 (d) ₹15400
8. 8.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
9. 9.₹3000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹3180 (c) ₹3540 (d) ₹3720
10. 10.In how many years will ₹4000 earn ₹800 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
11. 11.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 5% (b) 25% (c) 4% (d) 6%
12. 12.The simple interest on ₹6000 for 5 years is ₹3600. What is the rate per year? (a) 11% (b) 12% (c) 60% (d) 13%
13. 13.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
14. 14.In how many years will ₹5500 earn ₹1320 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
15. 15.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹5580 (c) ₹5040 (d) ₹1080
16. 16.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹2160 (c) ₹2200 (d) ₹160
17. 17.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
18. 18.In how many years will ₹4500 earn ₹1080 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
19. 19.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹6160 (b) ₹660 (c) ₹880 (d) ₹220
20. 20.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹80 (b) ₹1160 (c) ₹240 (d) ₹160
21. 21.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7020 (b) ₹7150 (c) ₹520 (d) ₹6630
22. 22.The simple interest on ₹7000 for 3 years is ₹1260. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
23. 23.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1050 (b) ₹4900 (c) ₹4550 (d) ₹3850
24. 24.In how many years will ₹5500 earn ₹880 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
25. 25.₹2000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹2640 (c) ₹480 (d) ₹2480
26. 26.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
27. 27.The simple interest on ₹5000 for 3 years is ₹600. What is the rate per year? (a) 3% (b) 5% (c) 12% (d) 4%
28. 28.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2650 (b) ₹2550 (c) ₹2700 (d) ₹150
29. 29.The simple interest on ₹1000 for 2 years is ₹240. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
30. 30.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%
31. 31.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹12400 (b) ₹800 (c) ₹3200 (d) ₹2400
32. 32.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 28%
33. 33.The simple interest on ₹6000 for 3 years is ₹900. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
34. 34.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
35. 35.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
36. 36.In how many years will ₹8000 earn ₹3840 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
37. 37.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
38. 38.The simple interest on ₹6500 for 4 years is ₹1300. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 6%
39. 39.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹9100 (b) ₹420 (c) ₹2520 (d) ₹2100
40. 40.The simple interest on ₹5000 for 3 years is ₹900. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%

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