Business Mathematics

31. PERT is a tool for ______________ and control time.

1. Delaying.
2. Planning.
3. Both a & b
4. None of the above

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32. Transportation problem is a special class of ______________.

1. LPP.
2. assignment problem.
3. none of the two.
4. both 1 and 2.

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33. The cells in the Transportation problem can be classified as ______________.

1. assigned cells and empty cells.
2. allocated cells and un allocated cells.
3. occupied and unoccupied cells.
4. assigned and unoccupied cells.

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34. The basic feasible solution to a transportation problem is said to be optimal if it ______________.

1. maximizes or minimizes the transportation cost.
2. maximizes the transportation cost.
3. minimizes the transportation cost.
4. has degenerate solution.

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35. In transportation problem if total supply < total demand we add ______________.

1. dummy row with cost 0.
2. dummy column with cost 0.
3. dummy row with cost 1.
4. dummy column with cost 1.

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36. In Maximization case of transportation problem we convert into minimization by subtracting all the elements from the ______________.

1. zero.
2. one.
3. highest element.
4. lowest element.

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37. In assignment problem if number of column is greater than row then ______________.

1. dummy column is added.
2. dummy row added.
3. row with cost 1 is added.
4. column with cost 1 is added.

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38. In transportation problem 'NWC' stands for ______________.

1. North West Corner
2. Net Working Capital
3. Naval Weapons Center
4. Nuclear Weapons Convention

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39. Zero matrix is otherwise known as ______________.

1. null matrix.
2. square matrix.
3. unit matrix.
4. triangular matrix.

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40. When the number of rows and the number of columns of a matrix are equal, the matrix is ______________.

1. square matrix.
2. row matrix.
3. column matrix.
4. none of these.

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