North-West Corner refers to ________.

(a)

top left corner

(b)

top right corner

(c)

bottom right corner

(d)

bottom left corner

Solution for transportation problem using ________method is nearer to an optimal solution.

(a)

NWCM

(b)

LCM

(c)

VAM

(d)

Row Minima

In an assignment problem the value of decision variable x_ij is ______.

(a)

1

(b)

0

(c)

1 or 0

(d)

none of them

If number of sources is not equal to number of destinations, the assignment problem is called______.

(a)

balanced

(b)

unsymmetric

(c)

symmetric

(d)

unbalanced

The purpose of a dummy row or column in an assignment problem is to _______.

(a)

prevent a solution from becoming degenerate

(b)

balance between total activities and total resources

(c)

provide a means of representing a dummy problem

(d)

none of the above