11th class Mathematics chapter 3 online mcq test with answers for ICS part 1 Mathematics chapter 3 (Matrices and Determinants)

This online test contains MCQs about following topics:

- Introduction - Determinant of a 2×2 matrix - Solution of simultaneous linear equations by using matrices - Field - Properties of Matrix Addition, Scalar Multiplication and Matrix Multiplicaton. - Determinants - Properties of Determinants with help in their Evaluation - Adjoint and Inverse of a Square Matrix of order n≥3 - Elementary Row and Column Operations on a Matrixn - Echelon and Reduce Echelon form of Martices - System of Linear Equation - Cramer`s Rule

ICS Part 1 Maths Ch 3 Test

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ICS Part 1 English Medium Subjects

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First Year Mathematics Chapter 3 Online MCQ Test for 1st Year Mathematics Chapter 3 (Matrices and Determinants)

Sr. #	Questions	Answers Choice
1	If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is:	A. 0 B. 1 C. -1 D. ±1
2	If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:	A. p×m B. p×n C. n×p D. m×p
3	A<sup>-1</sup> exists if A is:	A. singular B. nonsingular C. symmetric D. none
4	Two matrices X and Y are equal if and only if:	A. X and Y are of same order B. Their corresponding elements are equal C. Both a and b D. None of these
5	If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is:	A. \|A\|<sup>3</sup> B. 27\|A\| C. 3\|A\| D. 9\|A\|
6		A. B. C. D.
7		A. scalar matrix B. diagonalmatrix C. triangularmatrix D. none of these
8		A. 5 B. -5 C. -4 D. 4
9		A. B. C. D.
10	Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in:	A. order B. position C. sign D. symmetry

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