# 10th General Maths MCQS Chapter 4

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Two matrices are conformable for addition if they are of the:
different order
same order
order 2 x 2
order 3 x 3

If a order of matrix A is (m x p) and order of matrix B is (p x n). Then order of matrix AB is:
n x n
m x p
p x n
m x n

A matrix consisting of only one row is called a:
column matrix
scalar matrix
row matrix
rectangular matrix

Which matrix is said to be additive identity of any matrix:
scalar matrix
unit matrix
diagonal matrix
zero matrix

IF At = -A then matrix A is called a:
skew – symmetric matrix
transpose of matrix
symmetric matrix
identity matrix

A square or a rectangular array of numbers written within square brackets or parentheses in a definite order is called a:
diagonal
row
determinate
matrix

A square matrix in which all the element except at least one element in the diagonal are zero is called a:
square matrix
rectangular matrix
diagonal matrix
zero matrix

If two matrices have same order and their corresponding elements are equal then they are called:
rectangular matrices
scalar matrices
equal matrices
unequal matrices

The symbol “>” stand for:
greater than
greater than and equal to
less than or equal to
less than

Which matrix has no multiplicative inverse?
unit matrix
non – singular matrix
singular matrix
diagonal matrix

The idea of matrices was introduced by:
Arthur Cayley
jobs burgi
Pythagoras
Robert