Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 907 · 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.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹11590 (b) ₹10545 (c) ₹2090 (d) ₹12635
2. 2.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 11% (b) 12% (c) 22% (d) 10%
3. 3.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
4. 4.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
5. 5.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7875 (b) ₹9000 (c) ₹1125 (d) ₹8625
6. 6.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
7. 7.What is the simple interest on ₹5000 at 12% per year for 2 years? (a) ₹6200 (b) ₹1200 (c) ₹600 (d) ₹1800
8. 8.In how many years will ₹5000 earn ₹600 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
9. 9.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹80 (b) ₹240 (c) ₹160 (d) ₹1160
10. 10.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹420 (b) ₹350 (c) ₹3850 (d) ₹70
11. 11.₹6500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10790 (b) ₹3575 (c) ₹10075 (d) ₹7215
12. 12.The simple interest on ₹4000 for 4 years is ₹1120. What is the rate per year? (a) 28% (b) 6% (c) 7% (d) 8%
13. 13.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
14. 14.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8160 (c) ₹320 (d) ₹8320
15. 15.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹360 (b) ₹480 (c) ₹120 (d) ₹3360
16. 16.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
17. 17.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
18. 18.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
19. 19.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
20. 20.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹160 (b) ₹640 (c) ₹8640 (d) ₹800
21. 21.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
22. 22.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹8750 (d) ₹1750
23. 23.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
24. 24.The simple interest on ₹4500 for 4 years is ₹1800. What is the rate per year? (a) 40% (b) 10% (c) 9% (d) 11%
25. 25.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
26. 26.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
27. 27.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
28. 28.The simple interest on ₹6000 for 5 years is ₹2700. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
29. 29.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹840 (b) ₹420 (c) ₹7840 (d) ₹1260
30. 30.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹450 (b) ₹150 (c) ₹1800 (d) ₹300
31. 31.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
32. 32.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
33. 33.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹12960 (b) ₹9990 (c) ₹2970 (d) ₹11970
34. 34.In how many years will ₹2000 earn ₹600 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
35. 35.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
36. 36.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
37. 37.In how many years will ₹10000 earn ₹2400 simple interest at 6% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
38. 38.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
39. 39.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹5985 (b) ₹6480 (c) ₹1485 (d) ₹4995
40. 40.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹320 (b) ₹2480 (c) ₹2160 (d) ₹2320

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