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MathNet 2006 — Part 02 Question 164

Math Olympiad Vault · MathNet 2006 — Part 02

Question 164

In a magic square, the sum of the 3 numbers in each row, column or diagonal is always the same. Next we have a magic square, partially filled.

| | | |
| :--- | :--- | :--- |
| 1 | 14 | $x$ |
| 26 | | 13 |

What is the value of $x$?

A) 20

B) 22

C) 23

D) 25

E) 27