The transportation problem is said to be unbalanced if _______.

(a)

Total supply ≠ Total demand

(b)

Total supply = Total demand

(c)

m = n

(d)

m+n–1

In a non – degenerate solution number of allocations is _______.

(a)

Equal to m+n–1

(b)

Equal to m+n+1

(c)

Not equal to m+n–1

(d)

Not equal to m+n+1

In a degenerate solution number of allocations is _______.

(a)

equal to m+n–1

(b)

not equal to m+n–1

(c)

less than m+n–1

(d)

greather than m+n–1

The Penalty in VAM represents difference between the first ________.

(a)

Two largest costs

(b)

Largest and Smallest costs

(c)

Smallest two costs

(d)

None of these

Number of basic allocation in any row or column in an assignment problem can be _______.

(a)

Exactly one

(b)

at least one

(c)

at most one

(d)

none of these

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

The solution for an assignment problem is optimal if _______.

(a)

each row and each column has no assignment

(b)

each row and each column has atleast one assignment

(c)

each row and each column has atmost one assignment

(d)

each row and each column has exactly one assignment

In an assignment problem involving four workers and three jobs, total number of assignments possible are _______.

(a)

4

(b)

3

(c)

7

(d)

12

Decision theory is concerned with _______.

(a)

analysis of information that is available

(b)

decision making under certainty

(c)

selecting optimal decisions in sequential problem

(d)

All of the above

A type of decision –making environment is _______.

(a)

certainty

(b)

uncertainty

(c)

risk

(d)

all of the above