Matrices and Determinants (BITSAT Mathematics): Questions 1 - 7 of 24

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Question number: 1

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

If Equation is symmetric and Equation then Equation is –

Choices

Choice (4) Response

a.

Skew – symmetric

b.

Symmetric

c.

Diagonal

d.

Both b. and c. are correct

Question number: 2

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

A square matrix Equation is called a diagonal matrix if Equation for,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

If inverse of a diagonal matrix is –

Choices

Choice (4) Response

a.

Diagonal

b.

Symmetric

c.

Skew – symmetric

d.

None of the above

Question number: 4

» Matrices and Determinants » Determinants and Matrices of Order Two and Three

MCQ▾

Question

The roots of equation Equation are –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Matrices and Determinants » Algebra of Matrices

MCQ▾

Question

If for a matrix Equation where Equation is the identity matrix, then A equals

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 6

» Matrices and Determinants » Solution of Simultaneous Linear Equations in Two or Three Variables

MCQ▾

Question

The system of equation Equation of Equation equations in Equation unknowns has a unique solution if

Choices

Choice (4) Response

a.

Det A ≠ 0, AdjAB = 0

b.

Det A = 0, AdjAB = 0

c.

Det A = 0, AdjAB ≠ 0

d.

Det A ≠ 0

Question number: 7

» Matrices and Determinants » Adjoint and Evaluation of Inverse of Square Matrix

MCQ▾

Question

The inverse of a symmetric matrix is –

Choices

Choice (4) Response

a.

Skew – symmetric

b.

Symmetric

c.

Diagonal matrix

d.

Question does not provide sufficient data or is vague

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