Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 928 · 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.₹1500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹480 (c) ₹2100 (d) ₹1980
2. 2.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹15200 (b) ₹6840 (c) ₹1140 (d) ₹5700
3. 3.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2960 (b) ₹2800 (c) ₹2160 (d) ₹800
4. 4.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹3780 (c) ₹140 (d) ₹280
5. 5.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹1050 (b) ₹3840 (c) ₹840 (d) ₹210
6. 6.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹1860 (b) ₹180 (c) ₹540 (d) ₹360
7. 7.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
8. 8.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 4% (b) 9% (c) 2% (d) 3%
9. 9.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹90 (c) ₹45 (d) ₹1590
10. 10.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
11. 11.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
12. 12.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
13. 13.What is the simple interest on ₹4500 at 10% per year for 3 years? (a) ₹5850 (b) ₹1800 (c) ₹450 (d) ₹1350
14. 14.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
15. 15.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
16. 16.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5425 (b) ₹1540 (c) ₹3885 (d) ₹5040
17. 17.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10900 (b) ₹600 (c) ₹10300 (d) ₹10600
18. 18.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
19. 19.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
20. 20.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹180 (b) ₹4680 (c) ₹270 (d) ₹90
21. 21.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹855 (c) ₹9785 (d) ₹10355
22. 22.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
23. 23.The simple interest on ₹1500 for 4 years is ₹480. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
24. 24.The simple interest on ₹4500 for 2 years is ₹990. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
25. 25.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
26. 26.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹630 (b) ₹525 (c) ₹2025 (d) ₹105
27. 27.The simple interest on ₹3000 for 5 years is ₹1050. What is the rate per year? (a) 8% (b) 35% (c) 7% (d) 6%
28. 28.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 9%
29. 29.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
30. 30.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1485 (b) ₹5985 (c) ₹6480 (d) ₹4995
31. 31.₹10000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹11200 (c) ₹11000 (d) ₹10200
32. 32.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
33. 33.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
34. 34.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6825 (b) ₹650 (c) ₹7475 (d) ₹7150
35. 35.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹2380 (b) ₹595 (c) ₹1785 (d) ₹10285
36. 36.In how many years will ₹5000 earn ₹2000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
37. 37.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 5% (b) 4% (c) 10% (d) 6%
38. 38.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1270 (b) ₹270 (c) ₹1090 (d) ₹1360
39. 39.₹6500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8320 (b) ₹1365 (c) ₹7865 (d) ₹6955
40. 40.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years

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