Tamilnadu State Board New Syllabus Samacheer Kalvi 12th Business Maths Guide Pdf Chapter 10 Operations Research Ex 10.4 Text Book Back Questions and Answers, Notes.

## Tamilnadu Samacheer Kalvi 12th Business Maths Solutions Chapter 10 Operations Research Ex 10.4

Choose the correct answer

Question 1.

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

Solution:

(a) Total supply ≠ Total demand

Question 2.

In a non – degenerate solution number of allocation 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

Solution:

(a) Equal to m + n – 1

Question 3.

In a degenerate solution number of allocations is

(a) Equal to m + n – 1

(b) Not equal to m + n – 1

(c) Less then m + n – 1

(d) Greater then m + n – 1

Solution:

(c) Less then m + n – 1

Question 4.

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

Solution:

(c) smallest two costs

Question 5.

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

Solution:

(a) Exactly one

Question 6.

North – West Corner refers to

(a) Top left corner

(b) Top right corner

(c) Bottom right corner

(d) Bottom left corner

Solution:

(a) Top left corner

Question 7.

Solution for transportation problem using method is nearer to an optimal

(a) NWCM

(b) LCM

(c) VAM

(d) Row Minima

Solution:

(c) VAM

Question 8.

In an assignment problem the value of iedsion variable x_{ij} is

(a) 1

(b) 0

(c) 1 or 0

(d) none of them

Solution:

(c) 1 or 0

Question 9.

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

(a) balanced

(b) unsymmetric

(c) symmetric

(d) unbalanced

Solution:

(d) unbalanced

Question 10.

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

Solution:

(b) balance between total activities and total resources

Question 11.

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

Solution:

(d) each row and each column has exactly one assignment

Question 12.

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

(a) 4

(b) 3

(c) 7

(d) 12

Solution:

(b) 3

Question 13.

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

Solution:

(d) All of the above

Question 14.

A type of decision – making environment is

(a) certainty

(b) uncertainty

(c) risk

(d) all of the above

Solution:

(d) all of the above