Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 253 · 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.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹9680 (b) ₹1680 (c) ₹8560 (d) ₹10240
2. 2.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹7150 (b) ₹650 (c) ₹130 (d) ₹780
3. 3.In how many years will ₹4500 earn ₹2160 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
4. 4.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3500 (b) ₹2750 (c) ₹3250 (d) ₹750
5. 5.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
6. 6.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹3700 (d) ₹1200
7. 7.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹6300 (c) ₹7500 (d) ₹1500
8. 8.In how many years will ₹7500 earn ₹1800 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
9. 9.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
10. 10.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹4060 (b) ₹840 (c) ₹560 (d) ₹280
11. 11.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
12. 12.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹210 (b) ₹70 (c) ₹140 (d) ₹3640
13. 13.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
14. 14.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹2400 (b) ₹400 (c) ₹2000 (d) ₹7000
15. 15.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹680 (b) ₹340 (c) ₹9180 (d) ₹1020
16. 16.What is the simple interest on ₹9000 at 12% per year for 3 years? (a) ₹1080 (b) ₹3240 (c) ₹4320 (d) ₹12240
17. 17.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹4815 (b) ₹1260 (c) ₹5760 (d) ₹6075
18. 18.The simple interest on ₹1000 for 5 years is ₹100. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
19. 19.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
20. 20.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹1800 (b) ₹450 (c) ₹1350 (d) ₹10350
21. 21.₹4000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹4120 (b) ₹4600 (c) ₹480 (d) ₹4480
22. 22.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
23. 23.₹6500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8255 (b) ₹1755 (c) ₹8840 (d) ₹7085
24. 24.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹14400 (b) ₹10080 (c) ₹5400 (d) ₹15480
25. 25.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1650 (b) ₹550 (c) ₹1100 (d) ₹6100
26. 26.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
27. 27.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹180 (d) ₹9540
28. 28.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
29. 29.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
30. 30.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
31. 31.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹10200 (b) ₹8840 (c) ₹10540 (d) ₹1700
32. 32.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8260 (b) ₹1260 (c) ₹8680 (d) ₹7420
33. 33.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹6720 (c) ₹7080 (d) ₹720
34. 34.The simple interest on ₹5500 for 5 years is ₹1650. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 30%
35. 35.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
36. 36.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
37. 37.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹600 (b) ₹1800 (c) ₹1200 (d) ₹11200
38. 38.In how many years will ₹2000 earn ₹480 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
39. 39.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹780 (b) ₹195 (c) ₹7280 (d) ₹975
40. 40.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹300 (c) ₹1650 (d) ₹1950

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