Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 516 · 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.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹3900 (b) ₹180 (c) ₹900 (d) ₹1080
2. 2.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
3. 3.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
4. 4.₹4000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4240 (b) ₹4320 (c) ₹240 (d) ₹4080
5. 5.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹330 (b) ₹3660 (c) ₹990 (d) ₹660
6. 6.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
7. 7.The simple interest on ₹5000 for 3 years is ₹1500. What is the rate per year? (a) 9% (b) 30% (c) 10% (d) 11%
8. 8.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹420 (b) ₹315 (c) ₹3815 (d) ₹105
9. 9.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹2565 (b) ₹11210 (c) ₹1710 (d) ₹855
10. 10.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
11. 11.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹4360 (b) ₹120 (c) ₹360 (d) ₹480
12. 12.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
13. 13.What is the simple interest on ₹5000 at 12% per year for 5 years? (a) ₹600 (b) ₹8000 (c) ₹3600 (d) ₹3000
14. 14.₹6000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹8100 (c) ₹7680 (d) ₹6420
15. 15.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 55%
16. 16.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
17. 17.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
18. 18.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
19. 19.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
20. 20.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹8800 (c) ₹8640 (d) ₹8160
21. 21.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹4120 (c) ₹4480 (d) ₹4360
22. 22.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
23. 23.₹5500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8250 (b) ₹6050 (c) ₹8800 (d) ₹2750
24. 24.In how many years will ₹8500 earn ₹4080 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
25. 25.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹675 (b) ₹225 (c) ₹450 (d) ₹4950
26. 26.The simple interest on ₹8500 for 5 years is ₹4250. What is the rate per year? (a) 50% (b) 11% (c) 9% (d) 10%
27. 27.What is the simple interest on ₹4500 at 3% per year for 2 years? (a) ₹4770 (b) ₹405 (c) ₹270 (d) ₹135
28. 28.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1700 (b) ₹8925 (c) ₹10625 (d) ₹10200
29. 29.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
30. 30.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
31. 31.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹10355 (c) ₹9785 (d) ₹855
32. 32.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 3% (b) 15% (c) 4% (d) 2%
33. 33.What is the simple interest on ₹10000 at 5% per year for 5 years? (a) ₹3000 (b) ₹2500 (c) ₹12500 (d) ₹500
34. 34.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
35. 35.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹2520 (b) ₹840 (c) ₹1680 (d) ₹8680
36. 36.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹800 (b) ₹9600 (c) ₹2400 (d) ₹1600
37. 37.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
38. 38.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7150 (b) ₹6825 (c) ₹7475 (d) ₹650
39. 39.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹120 (b) ₹1740 (c) ₹240 (d) ₹360
40. 40.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 9% (b) 18% (c) 10% (d) 8%

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