Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 66 · 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.₹3500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4340 (b) ₹3640 (c) ₹4200 (d) ₹700
2. 2.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹2700 (b) ₹700 (c) ₹840 (d) ₹140
3. 3.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹1440 (b) ₹2160 (c) ₹720 (d) ₹7440
4. 4.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
5. 5.What is the simple interest on ₹9500 at 6% per year for 4 years? (a) ₹11780 (b) ₹570 (c) ₹2850 (d) ₹2280
6. 6.In how many years will ₹5000 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
7. 7.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
8. 8.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4130 (b) ₹3605 (c) ₹525 (d) ₹4025
9. 9.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
10. 10.₹10000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1400 (b) ₹12100 (c) ₹11400 (d) ₹10700
11. 11.What is the simple interest on ₹7500 at 7% per year for 3 years? (a) ₹9075 (b) ₹525 (c) ₹2100 (d) ₹1575
12. 12.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹10150 (b) ₹630 (c) ₹3780 (d) ₹3150
13. 13.₹8000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹9440 (c) ₹8480 (d) ₹8960
14. 14.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
15. 15.What is the simple interest on ₹5000 at 3% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹5300 (d) ₹150
16. 16.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹2060 (c) ₹180 (d) ₹2180
17. 17.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
18. 18.What is the simple interest on ₹6000 at 6% per year for 4 years? (a) ₹1800 (b) ₹360 (c) ₹1440 (d) ₹7440
19. 19.What is the simple interest on ₹1500 at 6% per year for 5 years? (a) ₹1950 (b) ₹90 (c) ₹540 (d) ₹450
20. 20.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
21. 21.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
22. 22.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹2100 (b) ₹750 (c) ₹600 (d) ₹150
23. 23.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹210 (b) ₹840 (c) ₹1050 (d) ₹3840
24. 24.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
25. 25.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
26. 26.₹7000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1260 (b) ₹8890 (c) ₹7630 (d) ₹8260
27. 27.The simple interest on ₹9500 for 5 years is ₹2850. What is the rate per year? (a) 30% (b) 6% (c) 5% (d) 7%
28. 28.₹4000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5200 (b) ₹1200 (c) ₹5440 (d) ₹4240
29. 29.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
30. 30.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 12% (b) 4% (c) 5% (d) 3%
31. 31.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹1100 (c) ₹1400 (d) ₹1300
32. 32.The simple interest on ₹5500 for 2 years is ₹1100. What is the rate per year? (a) 20% (b) 10% (c) 11% (d) 9%
33. 33.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹640 (b) ₹2640 (c) ₹800 (d) ₹160
34. 34.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹90 (b) ₹4680 (c) ₹180 (d) ₹270
35. 35.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹4130 (c) ₹3920 (d) ₹420
36. 36.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹300 (c) ₹900 (d) ₹1200
37. 37.₹9000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹9450 (c) ₹11250 (d) ₹1800
38. 38.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1920 (b) ₹9920 (c) ₹8640 (d) ₹10560
39. 39.₹2500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2875 (b) ₹375 (c) ₹2625 (d) ₹3000
40. 40.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹3780 (d) ₹280

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