Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 881 · 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.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
2. 2.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹630 (b) ₹1260 (c) ₹8260 (d) ₹1890
3. 3.₹4000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹4640 (c) ₹4800 (d) ₹4160
4. 4.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2100 (b) ₹2800 (c) ₹12100 (d) ₹700
5. 5.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹5225 (b) ₹15770 (c) ₹10545 (d) ₹14725
6. 6.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹10070 (b) ₹570 (c) ₹855 (d) ₹285
7. 7.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹960 (b) ₹4960 (c) ₹1280 (d) ₹320
8. 8.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
9. 9.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
10. 10.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹5600 (b) ₹1920 (c) ₹320 (d) ₹1600
11. 11.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹6720 (b) ₹720 (c) ₹240 (d) ₹960
12. 12.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1150 (b) ₹1180 (c) ₹150 (d) ₹1030
13. 13.The simple interest on ₹10000 for 3 years is ₹600. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
14. 14.In how many years will ₹5000 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
15. 15.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 40%
16. 16.In how many years will ₹1000 earn ₹180 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
17. 17.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹2320 (d) ₹320
18. 18.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 6% (b) 5% (c) 24% (d) 7%
19. 19.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹90 (b) ₹270 (c) ₹1180 (d) ₹180
20. 20.₹4000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹4360 (c) ₹6160 (d) ₹5800
21. 21.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹4860 (b) ₹90 (c) ₹450 (d) ₹360
22. 22.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1020 (b) ₹40 (c) ₹1040 (d) ₹1060
23. 23.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹160 (b) ₹2240 (c) ₹2160 (d) ₹2080
24. 24.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹675 (b) ₹225 (c) ₹900 (d) ₹8175
25. 25.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 11% (b) 30% (c) 10% (d) 9%
26. 26.In how many years will ₹9500 earn ₹2280 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
27. 27.In how many years will ₹4000 earn ₹720 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
28. 28.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹700 (b) ₹4025 (c) ₹525 (d) ₹175
29. 29.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹8250 (b) ₹900 (c) ₹750 (d) ₹150
30. 30.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
31. 31.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1950 (b) ₹1575 (c) ₹1875 (d) ₹375
32. 32.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
33. 33.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹60 (b) ₹3180 (c) ₹240 (d) ₹180
34. 34.The simple interest on ₹1000 for 3 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 5% (d) 6%
35. 35.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹1050 (b) ₹1400 (c) ₹350 (d) ₹8050
36. 36.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹3600 (c) ₹3150 (d) ₹3450
37. 37.What is the simple interest on ₹2500 at 5% per year for 3 years? (a) ₹125 (b) ₹375 (c) ₹500 (d) ₹2875
38. 38.₹5500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1980 (b) ₹5995 (c) ₹7480 (d) ₹7975
39. 39.₹8000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹1920 (c) ₹9920 (d) ₹8480
40. 40.₹2000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2200 (b) ₹3200 (c) ₹1000 (d) ₹3000

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