Business Mathematics
41. If the number of rows of a matrix is greater than the number of columns then the matrix is called as ______________.
- a row matrix.
- a column matrix.
- a rectangular matrix.
- a square matrix.
Correct answer: (C)
a rectangular matrix.
42. The ______________ is the order of the largest square submatrix.
- Rank of a matrix
- Size of a matrix
- Both a & b
- None of the above.
Correct answer: (A)
Rank of a matrix
43. The formula for the face value A is given by ______________.
- (B.DxT.D)/(B.D-T.D).
- 100T.D/nr.
- 100r/100-nr.
- Pnr/100.
Correct answer: (B)
100T.D/nr.
44. Under compound interest the formula for A is given by ______________.
- A=P(1+ni).
- A=P(1+i).
- A=Pnr/100.
- A=P(1+i)n.
Correct answer: (D)
A=P(1+i)n.
45. The region on the graph sheet with satisfies the constraints including the non-negativity restrictions is called the ______________ space
- solution.
- interval.
- concave.
- convex.
Correct answer: (A)
solution.
46. An LPP deals with problems involving only ______________.
- single objective.
- multiple objective.
- two objective.
- none of these.
Correct answer: (A)
single objective.
47. In Graphical solution the feasible solution is any solution to a LPP which satisfies ______________.
- only objective function.
- non-negativity restriction.
- only constraint.
- all the three.
Correct answer: (B)
non-negativity restriction.
48. In an LPP the solution for the problems involving more than 2 variables can be solved using ______________ _.
- graphical method.
- simplex method.
- hungarian method.
- all the above
Correct answer: (B)
simplex method.
49. The Key column in simplex method is selected when the column of Zj-Cj is ______________.
- most negative.
- largest negative.
- positive.
- zero.
Correct answer: (A)
most negative.
50. Which of the following is associated with any L.P.P?
- feasible solution.
- optimum solution.
- basic solution.
- all the above.
Correct answer: (D)
all the above.
Monday, December 27, 2021