Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 997 · 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.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹320 (b) ₹5600 (c) ₹1920 (d) ₹1600
2. 2.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹270 (b) ₹1770 (c) ₹1905 (d) ₹1635
3. 3.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 22%
4. 4.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
5. 5.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
6. 6.₹6000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹6660 (b) ₹9300 (c) ₹3300 (d) ₹9960
7. 7.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 3% (b) 10% (c) 2% (d) 1%
8. 8.₹10000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹11100 (b) ₹15500 (c) ₹5500 (d) ₹16600
9. 9.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹3200 (b) ₹700 (c) ₹175 (d) ₹875
10. 10.₹6000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2880 (b) ₹9600 (c) ₹8880 (d) ₹6720
11. 11.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
12. 12.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
13. 13.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹90 (b) ₹450 (c) ₹4860 (d) ₹360
14. 14.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 6% (b) 35% (c) 8% (d) 7%
15. 15.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3480 (c) ₹480 (d) ₹3120
16. 16.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
17. 17.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3900 (b) ₹750 (c) ₹3750 (d) ₹3150
18. 18.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 15%
19. 19.In how many years will ₹5000 earn ₹1750 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
20. 20.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹800 (d) ₹4800
21. 21.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹420 (b) ₹4025 (c) ₹3605 (d) ₹3920
22. 22.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
23. 23.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹315 (b) ₹945 (c) ₹630 (d) ₹5130
24. 24.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹200 (b) ₹2200 (c) ₹100 (d) ₹300
25. 25.In how many years will ₹2000 earn ₹480 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
26. 26.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
27. 27.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
28. 28.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹5995 (b) ₹7480 (c) ₹6985 (d) ₹1485
29. 29.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹2805 (b) ₹935 (c) ₹10370 (d) ₹1870
30. 30.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 3% (b) 6% (c) 4% (d) 2%
31. 31.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
32. 32.₹4000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹1280 (c) ₹5280 (d) ₹5600
33. 33.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 8%
34. 34.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
35. 35.The simple interest on ₹7500 for 2 years is ₹1050. What is the rate per year? (a) 7% (b) 8% (c) 14% (d) 6%
36. 36.In how many years will ₹5000 earn ₹900 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
37. 37.₹3000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3240 (b) ₹3960 (c) ₹3720 (d) ₹720
38. 38.What is the simple interest on ₹1500 at 6% per year for 5 years? (a) ₹90 (b) ₹450 (c) ₹540 (d) ₹1950
39. 39.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹750 (b) ₹150 (c) ₹600 (d) ₹8100
40. 40.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹1650 (b) ₹150 (c) ₹30 (d) ₹180

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