Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 445 · 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 ₹9000 for 2 years is ₹360. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
2. 2.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹1220 (b) ₹220 (c) ₹110 (d) ₹330
3. 3.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹280 (c) ₹140 (d) ₹3780
4. 4.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
5. 5.What is the simple interest on ₹5500 at 12% per year for 5 years? (a) ₹3960 (b) ₹660 (c) ₹3300 (d) ₹8800
6. 6.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹8025 (c) ₹10125 (d) ₹9600
7. 7.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
8. 8.The simple interest on ₹4000 for 3 years is ₹1200. What is the rate per year? (a) 11% (b) 10% (c) 30% (d) 9%
9. 9.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5040 (b) ₹6660 (c) ₹2160 (d) ₹7200
10. 10.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹6960 (b) ₹240 (c) ₹1200 (d) ₹960
11. 11.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹280 (b) ₹140 (c) ₹420 (d) ₹2280
12. 12.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹9680 (c) ₹8560 (d) ₹10240
13. 13.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹1170 (b) ₹390 (c) ₹780 (d) ₹7280
14. 14.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
15. 15.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
16. 16.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹3375 (b) ₹175 (c) ₹875 (d) ₹1050
17. 17.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 6% (b) 2% (c) 1% (d) 3%
18. 18.What is the simple interest on ₹7000 at 10% per year for 5 years? (a) ₹700 (b) ₹4200 (c) ₹3500 (d) ₹10500
19. 19.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1770 (b) ₹1860 (c) ₹1590 (d) ₹270
20. 20.The simple interest on ₹7500 for 3 years is ₹2700. What is the rate per year? (a) 11% (b) 36% (c) 13% (d) 12%
21. 21.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
22. 22.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
23. 23.In how many years will ₹6500 earn ₹1820 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
24. 24.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1020 (b) ₹1120 (c) ₹1100 (d) ₹100
25. 25.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
26. 26.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹3420 (b) ₹4560 (c) ₹1140 (d) ₹12920
27. 27.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10545 (b) ₹12635 (c) ₹2090 (d) ₹11590
28. 28.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹280 (b) ₹4060 (c) ₹840 (d) ₹560
29. 29.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
30. 30.What is the simple interest on ₹4500 at 11% per year for 3 years? (a) ₹495 (b) ₹5985 (c) ₹1980 (d) ₹1485
31. 31.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
32. 32.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
33. 33.In how many years will ₹1500 earn ₹270 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
34. 34.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
35. 35.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹150 (d) ₹3300
36. 36.In how many years will ₹9000 earn ₹2970 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
37. 37.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
38. 38.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹7150 (b) ₹650 (c) ₹325 (d) ₹975
39. 39.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5995 (b) ₹6985 (c) ₹6490 (d) ₹990
40. 40.₹4000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹4240 (c) ₹5440 (d) ₹1200

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