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PPSC Economics Topic 13 Mathematics in Economics
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Total Questions20
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Time Allowed20
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
If A and B are symmetric matrices, then A +B is
Question # 3
A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.
Question # 4
The elements in the Horizontal line in a matrix is called.
Question # 5
A diagonal matrix whose diagonal elements are equal is called.
Question # 6
The objects constituting a set are called
Question # 7
A matrix with all elements zero other than all the diagonals is called.
Question # 8
Union of A with A, that is A U A.
Question # 9
If the determinant formed by the elements of the matrix A is equal to zero, then the matrix is.
Question # 10
The associative law of union is
Question # 11
A variable which is free to take any value we choose to assign to it is called.
Question # 12
if two sets do not have any common element, then they are called.
Question # 13
For any square matrix a of order 'n'a (Ad)A) is equal to.
Question # 14
A mathematical statement setting two algebraic expressions equal to each other is called.
Question # 15
The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be.
Question # 16
A linear function of the form 6x2 - 2y + 8 = 0 is known as.
Question # 17
For any square matrix A of order 'n' a +A is.
Question # 18
Who is regarded as the founder of theory of sets.
Question # 19
If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.
Question # 20
The sufficient condition required for the matrix to posses inverse is that the matrix should be.
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
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