The initial solution of a transportation problem can be obtained by applying any known method. However, the only condition is that.

In transportation model of O R once an initial solution has been found, the next step is to test that solution for optimality. The methods widely used for testing the solution are:

A

Stepping Stone Method

B

Modified Distribution Method

C

Both of the above

D

Slack variable method

E

None of the above

An alternative optimal solution to a minimization transportation problem exists whenever opportunity cost corresponding to unused route of transportation is:

A

Positive & greater than zero

B

Positive with at least one equal to zero

C

Negative with at least one equal to zero

D

None of the above

Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?

A

6.09%

B

10%

C

10.75%

D

21.5%

100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?

A

70 kg

B

36 kg

C

44 kg

D

56 kg

Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?

A

600

B

800

C

300

D

250

E

None of these

Applying for Seasonal Employment occurs when a person requests to be considered for a job that is dependent on a particular season or time of year. Which situation below is the best example of Applying for Seasonal Employment?

A

The ski instructors at Top of the Peak Ski School work from December through March.

B

Matthew prefers jobs that allow him to work outdoors.

C

Lucinda makes an appointment with the beach resort restaurant manager to interview for the summer waitressing position that was advertised in the newspaper.

D

Doug's ice cream shop stays open until 11 p.m. during the summer months.

Which of the following methods is used to verify the optimality of the current solution of the transportation problem?

A

Least cost method

B

Vogel’s approximation method

C

Modified distribution method

D

All of the above

When total supply is equal to total demand in a transportation problem, the problem is said to be?

A

Balanced

B

Unbalanced

C

Degenerate

D

None of the above

An assignment problem is a special case of transportation problem, where.

A

Number of rows equals number of columns

B

All rim conditions are 1

C

Values of each decision variable is either 0 or 1

D

All of the above

Graphical method, simplex method, and transportation method are concerned with

A

Break-even analysis

B

Value analysis

C

Linear programming

D

Queueing theory

The initial solution of a transportation problem can be obtained by applying any known method. However, the only condition is that.

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