A) \[5040\]
B) \[4536\]
C) \[30240\]
D) \[5274\]
Correct Answer: B
Solution :
\[\overline{\begin{align} & 9\,\,\,digits \\ & (1\,to\,\,9) \\ \end{align}}\] | \[\overline{\begin{align} & 9\,\,\,digits \\ & (0\,to\,\,9) \\ \end{align}}\] | \[\overline{\begin{align} & 8\,\,\,digits \\ & (0\,to\,\,9) \\ \end{align}}\] | \[\overline{\begin{align} & 7\,\,\,digits \\ & (0\,to\,\,9) \\ \end{align}}\] |
Except those digit used in first place | Except those digits used in Ist and IInd place | Except those digits used in Ist, IInd and IIIrd place |
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