MCQ
If $[m\ n]\left[ {\begin{array}{*{20}{c}}m\\n\end{array}} \right] = [25]$ and $m< n$, then $(m, n) =$
  • A
    $(2, 3)$
  • $(3, 4)$
  • C
    $(4, 3)$
  • D
    None of these

Answer

Correct option: B.
$(3, 4)$
b
(b) It is obvious that $(m,n) =(3, 4).$

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