243 views

With respect to a loop in the transportation table, which one of following is not correct?

1. Every loop has an odd no.of cells and atleast $5$.
2. Closed loops may or may not be  square in shape.
3. All the cells in the loop that have a plus or minus sign, except the starting cell, must be occupied cells.
4. Every loop has an even no.of cells and atleast four.

right ans is a