Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 338 · 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 ₹5500 earn ₹3025 simple interest at 11% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
2. 2.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹250 (b) ₹2625 (c) ₹2875 (d) ₹2750
3. 3.The simple interest on ₹2500 for 3 years is ₹300. What is the rate per year? (a) 12% (b) 4% (c) 3% (d) 5%
4. 4.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7150 (b) ₹9750 (c) ₹9100 (d) ₹2600
5. 5.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹3000 (b) ₹200 (c) ₹1200 (d) ₹1000
6. 6.What is the simple interest on ₹3500 at 6% per year for 3 years? (a) ₹630 (b) ₹210 (c) ₹840 (d) ₹4130
7. 7.In how many years will ₹6000 earn ₹2880 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
8. 8.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
9. 9.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹13000 (b) ₹2400 (c) ₹10600 (d) ₹12400
10. 10.The simple interest on ₹3500 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
11. 11.In how many years will ₹1000 earn ₹150 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
12. 12.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
13. 13.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹1320 (b) ₹3990 (c) ₹330 (d) ₹990
14. 14.What is the simple interest on ₹5500 at 12% per year for 2 years? (a) ₹1320 (b) ₹1980 (c) ₹660 (d) ₹6820
15. 15.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6050 (b) ₹550 (c) ₹5775 (d) ₹6325
16. 16.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹600 (b) ₹480 (c) ₹6480 (d) ₹120
17. 17.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹1530 (c) ₹120 (d) ₹1650
18. 18.The simple interest on ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 10% (b) 9% (c) 45% (d) 8%
19. 19.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6490 (b) ₹5830 (c) ₹6160 (d) ₹660
20. 20.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹1540 (b) ₹7040 (c) ₹385 (d) ₹1925
21. 21.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
22. 22.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1530 (b) ₹1020 (c) ₹9520 (d) ₹510
23. 23.The simple interest on ₹6500 for 5 years is ₹2275. What is the rate per year? (a) 6% (b) 8% (c) 35% (d) 7%
24. 24.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
25. 25.₹9500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1995 (b) ₹10165 (c) ₹12160 (d) ₹11495
26. 26.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 7% (b) 8% (c) 35% (d) 6%
27. 27.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹200 (c) ₹250 (d) ₹50
28. 28.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹2565 (b) ₹855 (c) ₹11210 (d) ₹1710
29. 29.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
30. 30.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹1600 (c) ₹480 (d) ₹1480
31. 31.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
32. 32.What is the simple interest on ₹3000 at 9% per year for 5 years? (a) ₹1350 (b) ₹4350 (c) ₹270 (d) ₹1620
33. 33.₹3000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹3330 (c) ₹1320 (d) ₹4650
34. 34.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 4% (b) 15% (c) 2% (d) 3%
35. 35.In how many years will ₹7500 earn ₹1500 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
36. 36.₹8000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4400 (b) ₹12400 (c) ₹8880 (d) ₹13280
37. 37.₹1500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1710 (b) ₹210 (c) ₹1815 (d) ₹1605
38. 38.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹560 (b) ₹2560 (c) ₹2140 (d) ₹2700
39. 39.₹4500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹5940 (b) ₹1440 (c) ₹4860 (d) ₹6300
40. 40.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 3% (b) 5% (c) 12% (d) 4%

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