1.

The value of the determinant \[\left| \,\begin{matrix}    31 & 37 & 92  \\    31 & 58 & 71  \\    31 & 105 & 24  \\ \end{matrix}\, \right|\]is [MP PET 1992]

A. -2
B. 0
C. 81
D. None of these
Answer» C. 81


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