Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 644 · 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.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
2. 2.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹11050 (c) ₹10540 (d) ₹9010
3. 3.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 5% (b) 6% (c) 18% (d) 7%
4. 4.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹5350 (c) ₹6750 (d) ₹6400
5. 5.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹10125 (b) ₹9600 (c) ₹2100 (d) ₹8025
6. 6.What is the simple interest on ₹5500 at 10% per year for 2 years? (a) ₹6600 (b) ₹1100 (c) ₹550 (d) ₹1650
7. 7.The simple interest on ₹3500 for 4 years is ₹1540. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 44%
8. 8.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹1275 (b) ₹850 (c) ₹425 (d) ₹9350
9. 9.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
10. 10.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹1980 (b) ₹2640 (c) ₹7980 (d) ₹660
11. 11.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 12%
12. 12.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
13. 13.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹1170 (b) ₹195 (c) ₹7475 (d) ₹975
14. 14.The simple interest on ₹4000 for 5 years is ₹1800. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 45%
15. 15.What is the simple interest on ₹1500 at 11% per year for 4 years? (a) ₹825 (b) ₹2160 (c) ₹660 (d) ₹165
16. 16.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹7800 (c) ₹8100 (d) ₹600
17. 17.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹250 (b) ₹2750 (c) ₹50 (d) ₹300
18. 18.What is the simple interest on ₹10000 at 5% per year for 5 years? (a) ₹500 (b) ₹3000 (c) ₹12500 (d) ₹2500
19. 19.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
20. 20.₹4000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4960 (b) ₹5280 (c) ₹4320 (d) ₹960
21. 21.In how many years will ₹9000 earn ₹2700 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
22. 22.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹1830 (b) ₹495 (c) ₹165 (d) ₹330
23. 23.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
24. 24.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹12070 (b) ₹2975 (c) ₹11475 (d) ₹9095
25. 25.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹2400 (b) ₹900 (c) ₹1080 (d) ₹180
26. 26.The simple interest on ₹1000 for 5 years is ₹500. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
27. 27.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹800 (b) ₹5800 (c) ₹200 (d) ₹1000
28. 28.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
29. 29.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
30. 30.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹8400 (c) ₹12000 (d) ₹11100
31. 31.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹1680 (b) ₹270 (c) ₹90 (d) ₹180
32. 32.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹1160 (c) ₹120 (d) ₹1040
33. 33.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
34. 34.What is the simple interest on ₹2500 at 5% per year for 5 years? (a) ₹750 (b) ₹125 (c) ₹3125 (d) ₹625
35. 35.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹6985 (c) ₹5995 (d) ₹6490
36. 36.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹6325 (b) ₹6490 (c) ₹825 (d) ₹5665
37. 37.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹275 (b) ₹6875 (c) ₹1375 (d) ₹1650
38. 38.In how many years will ₹5500 earn ₹2475 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
39. 39.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹475 (b) ₹2850 (c) ₹2375 (d) ₹11875
40. 40.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹2960 (c) ₹800 (d) ₹2160

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