Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 548 · 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 ₹1000 at 7% per year for 3 years? (a) ₹70 (b) ₹1210 (c) ₹210 (d) ₹280
2. 2.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 10% (b) 3% (c) 1% (d) 2%
3. 3.₹6000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6120 (b) ₹6360 (c) ₹6480 (d) ₹360
4. 4.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
5. 5.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹1275 (c) ₹9775 (d) ₹1530
6. 6.In how many years will ₹6000 earn ₹2640 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
7. 7.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 55% (b) 12% (c) 11% (d) 10%
8. 8.₹9500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10925 (b) ₹1140 (c) ₹9785 (d) ₹10640
9. 9.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 40%
10. 10.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 10% (b) 4% (c) 5% (d) 6%
11. 11.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹6695 (b) ₹975 (c) ₹7475 (d) ₹7670
12. 12.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹9600 (c) ₹1200 (d) ₹9200
13. 13.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹675 (b) ₹5175 (c) ₹900 (d) ₹225
14. 14.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
15. 15.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹8260 (b) ₹1680 (c) ₹1260 (d) ₹420
16. 16.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6490 (b) ₹660 (c) ₹5830 (d) ₹6160
17. 17.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹6760 (c) ₹7540 (d) ₹1040
18. 18.The simple interest on ₹5500 for 5 years is ₹2475. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
19. 19.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 27%
20. 20.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹10440 (b) ₹360 (c) ₹1800 (d) ₹1440
21. 21.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2625 (b) ₹625 (c) ₹3250 (d) ₹3125
22. 22.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1725 (b) ₹1800 (c) ₹1575 (d) ₹225
23. 23.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹6200 (b) ₹300 (c) ₹1500 (d) ₹1200
24. 24.₹4000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4120 (b) ₹480 (c) ₹4480 (d) ₹4600
25. 25.₹2000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹480 (b) ₹2160 (c) ₹2640 (d) ₹2480
26. 26.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
27. 27.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹550 (b) ₹6325 (c) ₹5775 (d) ₹6050
28. 28.In how many years will ₹6500 earn ₹2275 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
29. 29.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹2160 (b) ₹2880 (c) ₹8160 (d) ₹720
30. 30.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
31. 31.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
32. 32.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹440 (b) ₹1760 (c) ₹6820 (d) ₹1320
33. 33.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
34. 34.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9920 (b) ₹1920 (c) ₹10880 (d) ₹8960
35. 35.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹160 (b) ₹40 (c) ₹1120 (d) ₹120
36. 36.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹2420 (b) ₹560 (c) ₹420 (d) ₹140
37. 37.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
38. 38.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6900 (b) ₹6600 (c) ₹600 (d) ₹6300
39. 39.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹680 (b) ₹10540 (c) ₹2040 (d) ₹2720
40. 40.₹8000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1920 (b) ₹9920 (c) ₹8480 (d) ₹10400

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