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Printjmc
prealgebra junior
Problem
Which number in the array below is both the largest in its column and the smallest in its row? (Columns go up and down, rows go right and left.) \begin{array}[t]{ccccc} 10 & 6 & 4 & 3 & 2 \\ 11 & 7 & 14 & 10 & 8 \\ 8 & 3 & 4 & 5 & 9 \\ 13 & 4 & 15 & 12 & 1 \\ 8 & 2 & 5 & 9 & 3 \end{array}
(A)
(B)
(C)
(D)
Solution
The largest numbers in the first, second, third, fourth and fifth columns are respectively. Of these, only is the smallest in its row .
Final answer
C