MathDB
Problems
Contests
National and Regional Contests
Canada Contests
Gauss
1998 Gauss
15
15
Part of
1998 Gauss
Problems
(1)
Gauss (7) #15
Source:
2/26/2017
The diagram shows a magic square in which the sums of the numbers in any row, column or diagonal are equal. What is the value of
n
n
n
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A
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3
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B
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6
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C
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7
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D
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10
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E
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11
<span class='latex-bold'>(A)</span>\ 3 \qquad <span class='latex-bold'>(B)</span>\ 6 \qquad <span class='latex-bold'>(C)</span>\ 7 \qquad <span class='latex-bold'>(D)</span>\ 10 \qquad <span class='latex-bold'>(E)</span>\ 11
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A
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3
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B
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6
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C
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7
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D
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10
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E
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11
Gauss