Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 479 · 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.The simple interest on ₹5500 for 5 years is ₹2200. What is the rate per year? (a) 40% (b) 9% (c) 8% (d) 7%
2. 2.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹1080 (b) ₹720 (c) ₹360 (d) ₹5220
3. 3.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1070 (b) ₹1140 (c) ₹140 (d) ₹1210
4. 4.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8960 (b) ₹8800 (c) ₹8160 (d) ₹800
5. 5.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹9600 (c) ₹10400 (d) ₹8800
6. 6.What is the simple interest on ₹7500 at 5% per year for 4 years? (a) ₹1500 (b) ₹375 (c) ₹9000 (d) ₹1875
7. 7.₹8500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8670 (b) ₹510 (c) ₹9180 (d) ₹9010
8. 8.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹855 (c) ₹10355 (d) ₹9785
9. 9.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
10. 10.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹3625 (b) ₹225 (c) ₹1125 (d) ₹1350
11. 11.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 6% (b) 21% (c) 8% (d) 7%
12. 12.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹3780 (c) ₹280 (d) ₹140
13. 13.₹10000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11000 (b) ₹12000 (c) ₹13000 (d) ₹2000
14. 14.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 20%
15. 15.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 25% (b) 4% (c) 5% (d) 6%
16. 16.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹875 (b) ₹4200 (c) ₹175 (d) ₹700
17. 17.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹1300 (b) ₹1560 (c) ₹260 (d) ₹7800
18. 18.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 6%
19. 19.In how many years will ₹2000 earn ₹280 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
20. 20.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹3720 (b) ₹960 (c) ₹240 (d) ₹720
21. 21.The simple interest on ₹7000 for 3 years is ₹1470. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
22. 22.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4560 (b) ₹560 (c) ₹4280 (d) ₹4840
23. 23.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6050 (b) ₹5610 (c) ₹550 (d) ₹6160
24. 24.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹8720 (b) ₹12320 (c) ₹3600 (d) ₹11600
25. 25.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹800 (b) ₹1200 (c) ₹10800 (d) ₹400
26. 26.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%
27. 27.The simple interest on ₹1000 for 4 years is ₹80. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
28. 28.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
29. 29.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 3% (b) 8% (c) 4% (d) 5%
30. 30.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
31. 31.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1500 (b) ₹1200 (c) ₹300 (d) ₹11200
32. 32.The simple interest on ₹9500 for 2 years is ₹1710. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
33. 33.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹200 (b) ₹4400 (c) ₹600 (d) ₹400
34. 34.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹950 (b) ₹9975 (c) ₹10450 (d) ₹10925
35. 35.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹10600 (c) ₹11200 (d) ₹1200
36. 36.₹6500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹650 (b) ₹7475 (c) ₹7150 (d) ₹6825
37. 37.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹225 (b) ₹2725 (c) ₹75 (d) ₹300
38. 38.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4725 (b) ₹5175 (c) ₹675 (d) ₹5400
39. 39.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹90 (c) ₹1030 (d) ₹1090
40. 40.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years

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