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 A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.

Question # 2

A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.

Question # 3

If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.

Question # 4

If matrix A is matrix of order n x m and B is another matrix of order m x n, then BA will be the matrix of order.

Question # 5

Union of A with A, that is A U A.

Question # 6

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 # 7

A diagonal matrix whose diagonal elements are equal is called.

Question # 8

Union of A and a null set is equal is.

Question # 9

The set of 'stars in the sky' is an example of

Question # 10

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 # 11

For any square matrix A of order 'n' a +A is.

Question # 12

The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be.

Question # 13

Ordered Pairs of two sets are called.

Question # 14

If every elements of a raw or column of a square matrix A is zero, then the value of the determinant .

Question # 15

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

Question # 16

A variable which is free to take any value we choose to assign to it is called.

Question # 17

The point at which the graph cuts the x axis is called.

Question # 18

If A and B are symmetric matrices, then A +B is

Question # 19

Which method is used for finding inverse of a matrix.

Question # 20

The set of all elements belonging to A but not to B is.

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Economics
13th Chapter

PPSC Economics Chapter 13 Test

Here you can prepare PPSC Economics Chapter 13 (Mathematics For Economics) Test. Click the button for 100% free full practice test.

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PPSC Economics Chapter 13 Important MCQ's

Sr.# Question Answer
1 If a Set C contain all the elements which are present in both the set A and B then set C is called.
A. Union of A and B
B. Intersection of A and B
C. Complement of A
D. Complement of B
2 A function where a variable x can only very in jumps, is often called.
A. Non linear functions
B. Inverse function
C. Step function
D. All of above
3 The matrix A multiplies by its inverse will b e a.
A. Identity matrix
B. Skew symmetric matrix
C. Idempotent matrix
D. Adjoin of a matrix
4 A matrix with all elements zero other than all the diagonals is called.
A. Diagonal matrix
B. Orthogonal matrix
C. Unit matrix
D. Column vector
5 If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.
A. B
B. x/y
C. P/Py
D. None of these
6 A negative definite Hessian fulfills the second order conditions for.
A. Maximum
B. Minimum
C. both maximum and minimum
D. Mini max
7 The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.
A. Y intercept of the curve
B. Slope of the curve
C. X intercept of the curve
D. Marginal value
8 "No two elements of a set are identical" this statements is.
A. Always true
B. Sometimes true
C. Not true
D. All of the above is possible
9 if A = A , then A is
A. Symmetric matrix
B. Skew symmetric matrix
C. Identity matrix
D. Orthogonal matrix
10 If every element of a raw of column of a square matrix A is zero, then the value of the determinant. is.
A. Equal
B. One
C. zero
D. Not equal

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