Skip to content / Đến nội dung
ThichHocToan.com

2024 AMC 12A Question 14

AMC12 · 2024 AMC 12A

Question 14

The numbers, in order, of each row and the numbers, in order, of each column of a $5\times5$ array of integers form an arithmetic progression of length $5.$ The numbers in positions $(5,5),$ $(2,4),$ $(4,3),$ and $(3,1)$ are $0,$ $48,$ $16,$ and $12,$ respectively. What number is in position $(1,2)?$

$$
\begin{bmatrix} \cdot & ? & \cdot & \cdot & \cdot \\ \cdot & \cdot & \cdot & 48 & \cdot \\ 12 & \cdot & \cdot & \cdot & \cdot \\ \cdot & \cdot & 16 & \cdot & \cdot \\ \cdot & \cdot & \cdot & \cdot & 0 \end{bmatrix}
$$
  1. $19$
  2. $24$
  3. $29$
  4. $34$
  5. $39$