Difference between revisions of "1997 AHSME Problems/Problem 16"
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<math> \textbf{(A)}\ 1\qquad\textbf{(B)}\ 2\qquad\textbf{(C)}\ 3\qquad\textbf{(D)}\ 4\qquad\textbf{(E)}\ 5 </math> | <math> \textbf{(A)}\ 1\qquad\textbf{(B)}\ 2\qquad\textbf{(C)}\ 3\qquad\textbf{(D)}\ 4\qquad\textbf{(E)}\ 5 </math> | ||
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| + | == See also == | ||
| + | {{AHSME box|year=1997|num-b=15|num-a=17}} | ||
Revision as of 09:13, 9 August 2011
Problem
The three row sums and the three column sums of the array
![\[\left[\begin{matrix}4 & 9 & 2\\ 8 & 1 & 6\\ 3 & 5 & 7\end{matrix}\right]\]](http://latex.artofproblemsolving.com/a/b/e/abe9ce134dc17ff83eff2313ff77c9b7ea7e5289.png)
are the same. What is the least number of entries that must be altered to make all six sums different from one another?
See also
| 1997 AHSME (Problems • Answer Key • Resources) | ||
| Preceded by Problem 15 |
Followed by Problem 17 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 | ||
| All AHSME Problems and Solutions | ||
