# Number Sequence Puzzle Solver

Number Sequence Puzzle Solver

Answer or Solution :

1. This "Number Sequence Puzzle Solver: 15, 29, 56, 108, 208, ____" is an interesting one to test your mathematical skills.

2. The answer is 400.

3. The series goes as n,(n*2)-2^0,(n*2)-2^1,(n*2)-2^2,..

4. Multiply 15 by 2 and subtract 2^0 from the result.

5. (15*2)-(2^0)=29. The series becomes 15, 29

6. Multiply the result 29 by 2 and subtract 2^1 from the result.

7. (29*2)-(2^1)=56. The series becomes 15, 29, 56

8. (56*2)-(2^2)=108, (108*2)-(2^3)=208, (208*2)-(2^4)=400

9. The series becomes 15,29,56,108,208,400

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