Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 561 · 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 8% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹12400 (c) ₹10800 (d) ₹11600
2. 2.In how many years will ₹1000 earn ₹330 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
3. 3.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
4. 4.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹3120 (b) ₹180 (c) ₹60 (d) ₹120
5. 5.The simple interest on ₹3500 for 4 years is ₹700. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 6%
6. 6.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6420 (b) ₹7260 (c) ₹6840 (d) ₹840
7. 7.The simple interest on ₹7000 for 2 years is ₹980. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
8. 8.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7440 (b) ₹6480 (c) ₹6960 (d) ₹960
9. 9.The simple interest on ₹7500 for 3 years is ₹2250. What is the rate per year? (a) 9% (b) 10% (c) 30% (d) 11%
10. 10.In how many years will ₹1500 earn ₹660 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
11. 11.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
12. 12.The simple interest on ₹3000 for 4 years is ₹600. What is the rate per year? (a) 20% (b) 5% (c) 6% (d) 4%
13. 13.What is the simple interest on ₹8500 at 4% per year for 5 years? (a) ₹10200 (b) ₹340 (c) ₹1700 (d) ₹2040
14. 14.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹1815 (b) ₹105 (c) ₹420 (d) ₹315
15. 15.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹195 (b) ₹6890 (c) ₹390 (d) ₹585
16. 16.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹250 (c) ₹1300 (d) ₹1250
17. 17.In how many years will ₹8500 earn ₹3740 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
18. 18.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹640 (b) ₹1280 (c) ₹1920 (d) ₹9280
19. 19.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7875 (b) ₹9000 (c) ₹1125 (d) ₹8625
20. 20.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
21. 21.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹630 (b) ₹2520 (c) ₹3150 (d) ₹9520
22. 22.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2040 (b) ₹2240 (c) ₹200 (d) ₹2200
23. 23.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹40 (b) ₹200 (c) ₹160 (d) ₹1160
24. 24.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹600 (b) ₹2400 (c) ₹3000 (d) ₹12400
25. 25.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹8480 (b) ₹480 (c) ₹240 (d) ₹720
26. 26.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 20%
27. 27.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
28. 28.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9450 (b) ₹9900 (c) ₹10350 (d) ₹900
29. 29.₹1500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2100 (b) ₹450 (c) ₹1950 (d) ₹1650
30. 30.The simple interest on ₹9000 for 2 years is ₹900. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 10%
31. 31.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹100 (b) ₹2550 (c) ₹2650 (d) ₹2600
32. 32.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹5400 (b) ₹6480 (c) ₹1080 (d) ₹14400
33. 33.₹9000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3150 (b) ₹9630 (c) ₹12150 (d) ₹12780
34. 34.The simple interest on ₹9500 for 2 years is ₹2090. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
35. 35.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
36. 36.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
37. 37.The simple interest on ₹10000 for 3 years is ₹2400. What is the rate per year? (a) 24% (b) 7% (c) 8% (d) 9%
38. 38.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
39. 39.In how many years will ₹9000 earn ₹3240 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
40. 40.The simple interest on ₹7500 for 3 years is ₹2700. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%

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