Business Mathematics

81. In Transportation problem the preferred method of obtaining either optimal or very close to the optimal solution is ______________.

1. .north west corner rule.
2. least cost method.
3. vogel's approximation method.
4. simplex method.

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2. Transportation problem is said to be unbalanced if ______________.

1. total supply is not equal to total demand.
2. Tot al supply is greater than total demand.
3. total supply is lesser than total demand.
4. All the above

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83. In North West corner rule if the demand in the column is satisfied one must move to the ______________.

1. left cell in the next column.
2. right cell in the next row.
3. right cell in the next column.
4. left cell in the next row.

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84. The assignment problem is said to be balanced if ______________.

1. number of rows is greater than number of columns.
2. number of rows is lesser than number of columns.
3. number of rows is equal to number of columns.
4. if the entry of row is zero.

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85. Vogel's approximation method is also known as ______________.

1. Penalty method
2. North west method.
3. Least cost method
4. None of the above.

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86. If A,B and C are matrices of the same order then ______________.

1. (A+B)+C=A+(B+C).
2. (A+B)+C ≠ A+(B+C).
3. (A+B)+C> A+(B+C).
4. (A+B)+C < A+(B+C).

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87. When the number of rows is not equal to the number of columns then the matrix is said to be ______________.

1. unit matrix.
2. Rectangular matrix.
3. null matrix.
4. row matrix.

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88. O.R. Stands for ______________

1. Operations research
2. Open Report
3. Own Record
4. On Road

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89. Compound Interest is always ______________ the Simple Interest.

1. Lesser than
2. Equal to
3. Greater than
4. None of the above.

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90. 3x- 4+7 = 0, then x = ?

1. -1
2. +1.
3. 0.
4. 2.

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