Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 538 · 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.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5440 (b) ₹960 (c) ₹4960 (d) ₹4480
2. 2.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹150 (b) ₹50 (c) ₹1100 (d) ₹100
3. 3.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
4. 4.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 12% (c) 7% (d) 5%
5. 5.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8025 (b) ₹9600 (c) ₹2100 (d) ₹10125
6. 6.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3640 (b) ₹140 (c) ₹3710 (d) ₹3570
7. 7.What is the simple interest on ₹5000 at 11% per year for 4 years? (a) ₹2200 (b) ₹550 (c) ₹7200 (d) ₹2750
8. 8.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹7150 (b) ₹1950 (c) ₹8450 (d) ₹9100
9. 9.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹2800 (c) ₹2600 (d) ₹2900
10. 10.The simple interest on ₹9500 for 5 years is ₹3800. What is the rate per year? (a) 8% (b) 40% (c) 7% (d) 9%
11. 11.The simple interest on ₹2000 for 3 years is ₹120. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
12. 12.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 4%
13. 13.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹2720 (c) ₹2240 (d) ₹480
14. 14.In how many years will ₹5000 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
15. 15.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 10%
16. 16.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
17. 17.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹9100 (b) ₹2100 (c) ₹2800 (d) ₹700
18. 18.₹7500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9300 (b) ₹1800 (c) ₹9900 (d) ₹8100
19. 19.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹630 (b) ₹210 (c) ₹7420 (d) ₹420
20. 20.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹1920 (b) ₹1440 (c) ₹480 (d) ₹7440
21. 21.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1090 (c) ₹1060 (d) ₹1030
22. 22.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
23. 23.What is the simple interest on ₹10000 at 12% per year for 4 years? (a) ₹4800 (b) ₹14800 (c) ₹1200 (d) ₹6000
24. 24.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹12580 (b) ₹5100 (c) ₹4080 (d) ₹1020
25. 25.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8260 (b) ₹7210 (c) ₹8050 (d) ₹1050
26. 26.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10350 (b) ₹9900 (c) ₹900 (d) ₹9450
27. 27.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹1320 (b) ₹440 (c) ₹4880 (d) ₹880
28. 28.What is the simple interest on ₹3000 at 8% per year for 4 years? (a) ₹960 (b) ₹240 (c) ₹1200 (d) ₹3960
29. 29.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
30. 30.₹7500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹8325 (b) ₹10800 (c) ₹3300 (d) ₹11625
31. 31.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹300 (b) ₹3400 (c) ₹900 (d) ₹1200
32. 32.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹6360 (c) ₹6180 (d) ₹6540
33. 33.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
34. 34.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹135 (b) ₹540 (c) ₹1905 (d) ₹405
35. 35.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹1755 (b) ₹7670 (c) ₹585 (d) ₹1170
36. 36.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹3780 (d) ₹280
37. 37.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9360 (b) ₹720 (c) ₹10080 (d) ₹9720
38. 38.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 36% (b) 9% (c) 8% (d) 10%
39. 39.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 30% (b) 11% (c) 10% (d) 9%
40. 40.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%

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