PPSC Economics Topic 13 MCQS Test Preparation

If you have completed your higher education in the economy subject and now are looking to start your professional career through PPSC then you are at the right place now. The team of Ilmkidunya offers you online MCQs tests of economics subject. Candidates can find Topic -wise tests and full book tests. For every single Topic  or category, separate sections are designed. Here on this page candidates can find the MCQS PPSC test for Topic  13.

MCQ's Test For PPSC Economics Topic 13 Mathematics in Economics

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PPSC Economics Topic 13 Mathematics in Economics

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Question # 1

If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.

Question # 2

The equilibrium price and quantity , given the inverse demand and supply functions.
po = 3q +30 and p s = 2q -5

Question # 3

Unknown values in an equation are called.

Question # 4

Ordered Pairs of two sets are called.

Question # 5

The sufficient condition required for the matrix to posses inverse is that the matrix should be.

Question # 6

The objects constituting a set are called

Question # 7

Collection of well defined distinct objects thought of as a whole is called

Question # 8

(A+B) + C =a +(B+C) This law of matrices is known as.

Question # 9

If a Set C contain all the elements which are present in both the set A and B then set C is called.

Question # 10

The value of the dependent variable where the graph cuts the y-axis is called.

Question # 11

If two sets contain the same distinct elements, then they are called.

Question # 12

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

Question # 13

If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.

Question # 14

(A+B) = (B+A) this law of matrices is known as.

Question # 15

Th transpose of the cofactor matrix is called.

Question # 16

If matrix A is of m x n dimension, then A will be

Question # 17

The matrix A multiplies by its inverse will b e a.

Question # 18

The determinant of quadratic form is called.

Question # 19

The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as.

Question # 20

If A and B are symmetric matrix, then AB- BA is.

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Economics
13th Chapter

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Sr.# Question Answer
1 A positive definite Hessian fulfills the second order conditions for
A. Maximum
B. Minimum
C. Both maximum and minimum
D. Mini max
2 Collection of well defined distinct objects thought of as a whole is called
A. Union
B. Derivative
C. Set
D. Integral
3 a possible use in encomia's for the circle or the ellipse is to model.
A. Production possibility curve
B. Demand cuve
C. Isocost liine
D. Supply curve
4 If all the elements of a matrix of any order are zero, it is called.
A. Identity matrix
B. Null matrix
C. Zero matrix
D. Both b and c
5 A set continuing no elements is called.
A. Null set
B. mpty set
C. void set
D. all of the above
6 If two sets contains the same number of distinct elements but not the same elements are called.
A. Pie diagram
B. Venn diagrams
C. Histogram
D. Ogives
7 A square matrix A, such that A = A ' is called a
A. Symmetric matrix
B. Skew symmetric matrix
C. Singular matrix
D. Rank of a matrix
8 A possible use in economies for the circle of the ellipse is to model.
A. Production possibility curve
B. Demand curve
C. Iosco line
D. Supply curve
9 Unknown values in an equation are called.
A. Constants
B. Numeraire
C. Variables
D. All of the above
10 In Vann diagram the universal set is represented by
A. Points within a rectangle
B. Points within a circle
C. Both a and b
D. None of these

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