Business Mathematics

41. If the number of rows of a matrix is greater than the number of columns then the matrix is called as ______________.

1. a row matrix.
2. a column matrix.
3. a rectangular matrix.
4. a square matrix.

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42. The ______________ is the order of the largest square submatrix.

1. Rank of a matrix
2. Size of a matrix
3. Both a & b
4. None of the above.

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43. The formula for the face value A is given by ______________.

1. (B.DxT.D)/(B.D-T.D).
2. 100T.D/nr.
3. 100r/100-nr.
4. Pnr/100.

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44. Under compound interest the formula for A is given by ______________.

1. A=P(1+ni).
2. A=P(1+i).
3. A=Pnr/100.
4. A=P(1+i)ⁿ.

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45. The region on the graph sheet with satisfies the constraints including the non-negativity restrictions is called the ______________ space

1. solution.
2. interval.
3. concave.
4. convex.

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46. An LPP deals with problems involving only ______________.

1. single objective.
2. multiple objective.
3. two objective.
4. none of these.

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47. In Graphical solution the feasible solution is any solution to a LPP which satisfies ______________.

1. only objective function.
2. non-negativity restriction.
3. only constraint.
4. all the three.

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48. In an LPP the solution for the problems involving more than 2 variables can be solved using ______________ _.

1. graphical method.
2. simplex method.
3. hungarian method.
4. all the above

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49. The Key column in simplex method is selected when the column of Z_j-C_j is ______________.

1. most negative.
2. largest negative.
3. positive.
4. zero.

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50. Which of the following is associated with any L.P.P?

1. feasible solution.
2. optimum solution.
3. basic solution.
4. all the above.

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