Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 646 · 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.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1030 (b) ₹1090 (c) ₹60 (d) ₹1060
2. 2.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 21%
3. 3.The simple interest on ₹6500 for 5 years is ₹1625. What is the rate per year? (a) 5% (b) 25% (c) 4% (d) 6%
4. 4.The simple interest on ₹7500 for 4 years is ₹1200. What is the rate per year? (a) 3% (b) 16% (c) 5% (d) 4%
5. 5.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
6. 6.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹8320 (b) ₹9280 (c) ₹1280 (d) ₹9600
7. 7.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
8. 8.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹750 (b) ₹3750 (c) ₹900 (d) ₹150
9. 9.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹70 (c) ₹420 (d) ₹350
10. 10.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
11. 11.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
12. 12.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹10075 (b) ₹4290 (c) ₹715 (d) ₹3575
13. 13.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
14. 14.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
15. 15.In how many years will ₹10000 earn ₹3000 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
16. 16.₹7000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9940 (b) ₹2450 (c) ₹9450 (d) ₹7490
17. 17.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 9% (b) 18% (c) 8% (d) 10%
18. 18.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 7% (c) 16% (d) 9%
19. 19.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2900 (b) ₹300 (c) ₹2800 (d) ₹2600
20. 20.The simple interest on ₹4500 for 4 years is ₹1620. What is the rate per year? (a) 8% (b) 9% (c) 36% (d) 10%
21. 21.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹385 (b) ₹1925 (c) ₹1540 (d) ₹5040
22. 22.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹840 (b) ₹210 (c) ₹3840 (d) ₹1050
23. 23.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹440 (b) ₹2220 (c) ₹2660 (d) ₹2440
24. 24.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹5800 (b) ₹1200 (c) ₹800 (d) ₹400
25. 25.In how many years will ₹4000 earn ₹1920 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
26. 26.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9000 (b) ₹6600 (c) ₹3000 (d) ₹9600
27. 27.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
28. 28.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8250 (b) ₹10500 (c) ₹11250 (d) ₹3000
29. 29.The simple interest on ₹5500 for 5 years is ₹2200. What is the rate per year? (a) 40% (b) 8% (c) 7% (d) 9%
30. 30.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9525 (b) ₹8175 (c) ₹1350 (d) ₹8850
31. 31.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹5490 (b) ₹1485 (c) ₹990 (d) ₹495
32. 32.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 12% (b) 5% (c) 3% (d) 4%
33. 33.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1240 (b) ₹1060 (c) ₹1300 (d) ₹240
34. 34.What is the simple interest on ₹5000 at 9% per year for 2 years? (a) ₹450 (b) ₹1350 (c) ₹5900 (d) ₹900
35. 35.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4125 (b) ₹12450 (c) ₹8325 (d) ₹11625
36. 36.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 35%
37. 37.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹8645 (b) ₹715 (c) ₹2860 (d) ₹2145
38. 38.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹300 (b) ₹60 (c) ₹360 (d) ₹3300
39. 39.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
40. 40.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years

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