Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 738 · 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 ₹9000 earn ₹540 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
2. 2.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8840 (b) ₹9010 (c) ₹8670 (d) ₹340
3. 3.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹1275 (b) ₹9350 (c) ₹850 (d) ₹425
4. 4.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
5. 5.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
6. 6.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
7. 7.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
8. 8.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹9600 (c) ₹10400 (d) ₹8800
9. 9.In how many years will ₹1000 earn ₹600 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
10. 10.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹250 (b) ₹375 (c) ₹125 (d) ₹2750
11. 11.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2100 (b) ₹2300 (c) ₹300 (d) ₹2400
12. 12.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3270 (b) ₹1080 (c) ₹4080 (d) ₹4350
13. 13.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 10% (b) 11% (c) 22% (d) 12%
14. 14.The simple interest on ₹8000 for 4 years is ₹960. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
15. 15.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
16. 16.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
17. 17.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹8160 (c) ₹320 (d) ₹8480
18. 18.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹1890 (b) ₹5075 (c) ₹1575 (d) ₹315
19. 19.What is the simple interest on ₹8000 at 4% per year for 5 years? (a) ₹1920 (b) ₹1600 (c) ₹320 (d) ₹9600
20. 20.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1860 (c) ₹1800 (d) ₹1560
21. 21.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹270 (b) ₹1620 (c) ₹10350 (d) ₹1350
22. 22.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
23. 23.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%
24. 24.₹3500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4235 (b) ₹3745 (c) ₹490 (d) ₹3990
25. 25.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹3200 (b) ₹11200 (c) ₹3840 (d) ₹640
26. 26.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹1360 (b) ₹120 (c) ₹480 (d) ₹360
27. 27.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹210 (b) ₹3840 (c) ₹1050 (d) ₹840
28. 28.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
29. 29.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
30. 30.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
31. 31.₹9000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹1440 (c) ₹9360 (d) ₹10440
32. 32.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7420 (b) ₹7630 (c) ₹420 (d) ₹7210
33. 33.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹1050 (b) ₹175 (c) ₹3375 (d) ₹875
34. 34.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹4500 (b) ₹900 (c) ₹12600 (d) ₹3600
35. 35.The simple interest on ₹9500 for 4 years is ₹2660. What is the rate per year? (a) 28% (b) 7% (c) 8% (d) 6%
36. 36.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹280 (b) ₹420 (c) ₹2280 (d) ₹140
37. 37.₹8500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹10880 (b) ₹2380 (c) ₹11475 (d) ₹9095
38. 38.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹150 (b) ₹1030 (c) ₹1150 (d) ₹1180
39. 39.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 3%
40. 40.₹7000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹8120 (c) ₹840 (d) ₹7840

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