Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 828 · 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.₹6500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹8450 (b) ₹8840 (c) ₹1950 (d) ₹6890
2. 2.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹4550 (b) ₹3850 (c) ₹4200 (d) ₹700
3. 3.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 40%
4. 4.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
5. 5.What is the simple interest on ₹9000 at 8% per year for 3 years? (a) ₹2160 (b) ₹720 (c) ₹2880 (d) ₹11160
6. 6.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹6050 (b) ₹660 (c) ₹550 (d) ₹110
7. 7.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
8. 8.What is the simple interest on ₹6000 at 7% per year for 4 years? (a) ₹420 (b) ₹1680 (c) ₹7680 (d) ₹2100
9. 9.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹1560 (b) ₹1300 (c) ₹7800 (d) ₹260
10. 10.₹4000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4280 (b) ₹1400 (c) ₹5680 (d) ₹5400
11. 11.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3060 (b) ₹180 (c) ₹3180 (d) ₹3240
12. 12.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹275 (b) ₹1375 (c) ₹1650 (d) ₹3875
13. 13.The simple interest on ₹3000 for 5 years is ₹1800. What is the rate per year? (a) 60% (b) 11% (c) 12% (d) 13%
14. 14.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
15. 15.In how many years will ₹8500 earn ₹850 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
16. 16.₹5000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹7700 (c) ₹7250 (d) ₹5450
17. 17.₹5500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹330 (b) ₹5940 (c) ₹5830 (d) ₹5610
18. 18.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 25%
19. 19.₹5500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹7975 (b) ₹1980 (c) ₹5995 (d) ₹7480
20. 20.What is the simple interest on ₹7500 at 11% per year for 2 years? (a) ₹1650 (b) ₹2475 (c) ₹9150 (d) ₹825
21. 21.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 3% (b) 20% (c) 4% (d) 5%
22. 22.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹1750 (c) ₹8750 (d) ₹2100
23. 23.What is the simple interest on ₹10000 at 4% per year for 5 years? (a) ₹12000 (b) ₹2000 (c) ₹400 (d) ₹2400
24. 24.₹10000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹11100 (b) ₹15500 (c) ₹4400 (d) ₹14400
25. 25.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹12400 (b) ₹10600 (c) ₹1800 (d) ₹11800
26. 26.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹240 (b) ₹80 (c) ₹160 (d) ₹4160
27. 27.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹405 (b) ₹5715 (c) ₹1215 (d) ₹1620
28. 28.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1440 (b) ₹1080 (c) ₹4080 (d) ₹360
29. 29.₹2000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹480 (c) ₹2640 (d) ₹2480
30. 30.In how many years will ₹4000 earn ₹480 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
31. 31.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹4500 (b) ₹5400 (c) ₹900 (d) ₹14500
32. 32.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹5040 (c) ₹4770 (d) ₹5310
33. 33.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
34. 34.₹4000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4160 (b) ₹4800 (c) ₹800 (d) ₹4960
35. 35.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
36. 36.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10850 (b) ₹11620 (c) ₹7770 (d) ₹3850
37. 37.₹5000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5600 (b) ₹7400 (c) ₹2400 (d) ₹8000
38. 38.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9010 (b) ₹11560 (c) ₹2550 (d) ₹11050
39. 39.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
40. 40.The simple interest on ₹7500 for 3 years is ₹675. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%

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