Assuming that no two consecutive digits are same, the number of n digit numbers, is [Orissa JEE 2004]

Assuming that no two consecutive digits are same, the number of n digi

1.	Assuming that no two consecutive digits are same, the number of n digit numbers, is [Orissa JEE 2004]
A.	n!
B.	9!
C.	\[{{9}^{n}}\]
D.	\[{{n}^{9}}\]
Answer» B. 9!

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Assuming that no two consecutive digits are same, the number of n digit numbers, is [Orissa JEE 2004]

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