Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 678 · 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.What is the simple interest on ₹6500 at 4% per year for 3 years? (a) ₹7280 (b) ₹260 (c) ₹1040 (d) ₹780
2. 2.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹2480 (b) ₹480 (c) ₹240 (d) ₹720
3. 3.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹3850 (b) ₹350 (c) ₹525 (d) ₹175
4. 4.The simple interest on ₹9000 for 5 years is ₹2700. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
5. 5.The simple interest on ₹4000 for 4 years is ₹1120. What is the rate per year? (a) 6% (b) 7% (c) 28% (d) 8%
6. 6.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
7. 7.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 50%
8. 8.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7210 (b) ₹7420 (c) ₹7630 (d) ₹420
9. 9.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 3% (b) 9% (c) 4% (d) 2%
10. 10.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 18%
11. 11.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹2900 (b) ₹100 (c) ₹400 (d) ₹500
12. 12.₹4500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹6300 (c) ₹4860 (d) ₹5940
13. 13.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
14. 14.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2750 (b) ₹3250 (c) ₹500 (d) ₹3000
15. 15.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹495 (b) ₹660 (c) ₹165 (d) ₹1995
16. 16.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
17. 17.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 5% (b) 15% (c) 4% (d) 6%
18. 18.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2430 (b) ₹12240 (c) ₹11430 (d) ₹9810
19. 19.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
20. 20.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
21. 21.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹9100 (b) ₹2520 (c) ₹2100 (d) ₹420
22. 22.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9975 (b) ₹9150 (c) ₹8325 (d) ₹1650
23. 23.₹8000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8320 (b) ₹9600 (c) ₹1600 (d) ₹9920
24. 24.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%
25. 25.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹900 (d) ₹8400
26. 26.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹4900 (c) ₹5250 (d) ₹3850
27. 27.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
28. 28.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
29. 29.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
30. 30.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
31. 31.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹585 (b) ₹2340 (c) ₹8255 (d) ₹1755
32. 32.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹2090 (b) ₹3135 (c) ₹11590 (d) ₹1045
33. 33.The simple interest on ₹4500 for 2 years is ₹990. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
34. 34.The simple interest on ₹8500 for 5 years is ₹4675. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
35. 35.In how many years will ₹5500 earn ₹770 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
36. 36.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3750 (b) ₹3900 (c) ₹3150 (d) ₹750
37. 37.In how many years will ₹6000 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
38. 38.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
39. 39.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹2880 (b) ₹10160 (c) ₹720 (d) ₹2160
40. 40.What is the simple interest on ₹3000 at 11% per year for 5 years? (a) ₹330 (b) ₹1980 (c) ₹1650 (d) ₹4650

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