Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 151 · 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.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4675 (b) ₹13175 (c) ₹14110 (d) ₹9435
2. 2.The simple interest on ₹9500 for 5 years is ₹5700. What is the rate per year? (a) 13% (b) 11% (c) 60% (d) 12%
3. 3.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
4. 4.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
5. 5.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹3900 (c) ₹3180 (d) ₹4080
6. 6.In how many years will ₹5000 earn ₹1000 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹7000 at 4% per year for 4 years? (a) ₹8120 (b) ₹1120 (c) ₹280 (d) ₹1400
8. 8.What is the simple interest on ₹1500 at 8% per year for 4 years? (a) ₹480 (b) ₹120 (c) ₹1980 (d) ₹600
9. 9.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
10. 10.What is the simple interest on ₹4000 at 4% per year for 3 years? (a) ₹640 (b) ₹160 (c) ₹480 (d) ₹4480
11. 11.₹9000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹10080 (b) ₹12240 (c) ₹3240 (d) ₹13320
12. 12.The simple interest on ₹5000 for 3 years is ₹750. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
13. 13.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹280 (b) ₹420 (c) ₹140 (d) ₹2280
14. 14.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2125 (b) ₹10625 (c) ₹425 (d) ₹2550
15. 15.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹1080 (b) ₹6900 (c) ₹900 (d) ₹180
16. 16.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1160 (b) ₹1200 (c) ₹160 (d) ₹1040
17. 17.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 30% (b) 6% (c) 5% (d) 7%
18. 18.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
19. 19.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
20. 20.₹10000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹11200 (b) ₹10400 (c) ₹800 (d) ₹10800
21. 21.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
22. 22.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
23. 23.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3240 (b) ₹3120 (c) ₹3360 (d) ₹240
24. 24.The simple interest on ₹6000 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
25. 25.The simple interest on ₹2500 for 4 years is ₹400. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
26. 26.₹4000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹5800 (b) ₹1440 (c) ₹5440 (d) ₹4360
27. 27.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹200 (b) ₹1000 (c) ₹800 (d) ₹10800
28. 28.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹70 (b) ₹350 (c) ₹1350 (d) ₹420
29. 29.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹15200 (b) ₹14060 (c) ₹10640 (d) ₹4560
30. 30.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7440 (b) ₹1200 (c) ₹7200 (d) ₹6240
31. 31.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹2440 (c) ₹440 (d) ₹2660
32. 32.₹6000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹6720 (c) ₹6120 (d) ₹6600
33. 33.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹6160 (c) ₹6050 (d) ₹5610
34. 34.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹9100 (b) ₹2100 (c) ₹420 (d) ₹2520
35. 35.In how many years will ₹10000 earn ₹3000 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
36. 36.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹3000 (b) ₹7400 (c) ₹2400 (d) ₹600
37. 37.₹7000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹12040 (c) ₹11200 (d) ₹7840
38. 38.₹2000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹2160 (c) ₹120 (d) ₹2120
39. 39.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
40. 40.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹1300 (b) ₹1560 (c) ₹7800 (d) ₹260

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