In Linear Programming, in choosing the key column and key row, whenever there is a tie between two or more numbers, the following rules may be followed.
1. If there is a tie between two or more numbers in the index row, select the column farthest to the left as the key column.
2. If there is a tie between two or more smallest positive ratios in the ratio column, select the row nearest to t6he top as key row.
1. If there is a tie between two or more numbers in the index row, select the column farthest to the left as the key column.
2. If there is a tie between two or more smallest positive ratios in the ratio column, select the row nearest to t6he top as key row.
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