Economic-mathematical methods and models of the test, 75 questions, part 2.
Exercise 1

Question 1. What is carried out at the first stage of economic and mathematical research:
1. Statement of the problem.
2. Observation of the phenomenon and collection of initial data.
3. Construction of a mathematical model.
4. Calculation of the model.
5. Testing the model and analyzing the output data.

 Question 2. The economic-mathematical model is designed to solve
1. economic problems,

Question 3. The transportation plan is optimal if the estimated difference is:
1. non-positive,
2. non-negative,
3. A positive,
4. Negative,
5. Equal to zero.

Question 4. If m + n-1 is not equal to the number of filled cells, then this means that:

1. the plan of the overload is non-degenerate,
2. The transportation plan is degenerate,
3. The problem has no solution,
4. The problem has a non-unique solution,
5. Demand is not equal to supply.