Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 752 · 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.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10600 (b) ₹10800 (c) ₹10200 (d) ₹600
2. 2.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹300 (b) ₹100 (c) ₹400 (d) ₹2800
3. 3.₹5000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹6350 (b) ₹5450 (c) ₹5900 (d) ₹900
4. 4.The simple interest on ₹1000 for 5 years is ₹400. What is the rate per year? (a) 8% (b) 9% (c) 40% (d) 7%
5. 5.In how many years will ₹7000 earn ₹2100 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
6. 6.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 3% (b) 20% (c) 4% (d) 5%
7. 7.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹360 (b) ₹6720 (c) ₹720 (d) ₹1080
8. 8.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1680 (b) ₹420 (c) ₹1260 (d) ₹8260
9. 9.In how many years will ₹3000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
10. 10.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹160 (b) ₹40 (c) ₹1120 (d) ₹120
11. 11.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹2100 (c) ₹2300 (d) ₹2400
12. 12.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
13. 13.What is the simple interest on ₹9500 at 8% per year for 4 years? (a) ₹12540 (b) ₹3040 (c) ₹760 (d) ₹3800
14. 14.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹900 (b) ₹9900 (c) ₹1350 (d) ₹450
15. 15.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹2800 (b) ₹300 (c) ₹375 (d) ₹75
16. 16.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
17. 17.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹11400 (b) ₹2375 (c) ₹1900 (d) ₹475
18. 18.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8240 (b) ₹720 (c) ₹8720 (d) ₹8960
19. 19.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 7% (b) 9% (c) 32% (d) 8%
20. 20.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
21. 21.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11050 (b) ₹9350 (c) ₹1700 (d) ₹10200
22. 22.The simple interest on ₹1500 for 4 years is ₹180. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
23. 23.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹1200 (b) ₹250 (c) ₹200 (d) ₹50
24. 24.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹900 (b) ₹2720 (c) ₹180 (d) ₹720
25. 25.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹330 (b) ₹6490 (c) ₹990 (d) ₹1320
26. 26.The simple interest on ₹1500 for 5 years is ₹225. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
27. 27.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹2320 (c) ₹320 (d) ₹2080
28. 28.What is the simple interest on ₹7000 at 4% per year for 5 years? (a) ₹280 (b) ₹1400 (c) ₹1680 (d) ₹8400
29. 29.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹1350 (b) ₹450 (c) ₹5400 (d) ₹900
30. 30.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
31. 31.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1905 (b) ₹1635 (c) ₹405 (d) ₹2040
32. 32.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹10540 (b) ₹9180 (c) ₹1360 (d) ₹9860
33. 33.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹3100 (c) ₹2650 (d) ₹2950
34. 34.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
35. 35.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 3% (b) 6% (c) 1% (d) 2%
36. 36.What is the simple interest on ₹2000 at 3% per year for 2 years? (a) ₹60 (b) ₹2120 (c) ₹180 (d) ₹120
37. 37.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7315 (b) ₹1210 (c) ₹6105 (d) ₹6710
38. 38.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
39. 39.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 3%
40. 40.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10500 (b) ₹1000 (c) ₹11500 (d) ₹11000

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