Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 978 · 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.₹5000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹5200 (c) ₹5600 (d) ₹5400
2. 2.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3420
3. 3.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1725 (b) ₹1545 (c) ₹1680 (d) ₹180
4. 4.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
5. 5.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹135 (c) ₹405 (d) ₹540
6. 6.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
7. 7.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹4500 (c) ₹4200 (d) ₹1200
8. 8.In how many years will ₹4500 earn ₹1080 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
9. 9.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹800 (b) ₹4800 (c) ₹4000 (d) ₹12000
10. 10.The simple interest on ₹1500 for 5 years is ₹225. What is the rate per year? (a) 15% (b) 3% (c) 2% (d) 4%
11. 11.In how many years will ₹6500 earn ₹585 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
12. 12.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹9900 (b) ₹450 (c) ₹900 (d) ₹1350
13. 13.₹2000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2100 (b) ₹2300 (c) ₹2200 (d) ₹200
14. 14.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹1950 (c) ₹1590 (d) ₹2040
15. 15.In how many years will ₹4500 earn ₹540 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
16. 16.The simple interest on ₹7500 for 5 years is ₹1500. What is the rate per year? (a) 5% (b) 3% (c) 20% (d) 4%
17. 17.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹270 (b) ₹1180 (c) ₹180 (d) ₹90
18. 18.₹1500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹1650 (c) ₹2100 (d) ₹2250
19. 19.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
20. 20.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
21. 21.What is the simple interest on ₹5500 at 7% per year for 5 years? (a) ₹7425 (b) ₹1925 (c) ₹385 (d) ₹2310
22. 22.₹5000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7200 (b) ₹5550 (c) ₹6650 (d) ₹1650
23. 23.In how many years will ₹2000 earn ₹200 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
24. 24.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹720 (b) ₹2600 (c) ₹600 (d) ₹120
25. 25.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 6% (b) 15% (c) 4% (d) 5%
26. 26.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
27. 27.In how many years will ₹2500 earn ₹1100 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹1560 (b) ₹8060 (c) ₹2080 (d) ₹520
29. 29.What is the simple interest on ₹6000 at 3% per year for 4 years? (a) ₹6720 (b) ₹900 (c) ₹180 (d) ₹720
30. 30.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
31. 31.In how many years will ₹9500 earn ₹4275 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
32. 32.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹9200 (c) ₹8960 (d) ₹8240
33. 33.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹4960 (b) ₹1440 (c) ₹960 (d) ₹480
34. 34.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
35. 35.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹9540 (b) ₹540 (c) ₹180 (d) ₹720
36. 36.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹7725 (c) ₹7950 (d) ₹8175
37. 37.₹7000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹1680 (c) ₹7840 (d) ₹8680
38. 38.₹8000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8800 (b) ₹2400 (c) ₹10400 (d) ₹11200
39. 39.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹125 (b) ₹375 (c) ₹250 (d) ₹2750
40. 40.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%

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