Now this could be arranged in the tabular form as follows:
Notebooks
Pens
Radha
15
6
Fauzia
10
2
Simran
13
5
and this can be expressed as
or
Radha
Fauzia
Simran
Notebooks
15
10
13
Pens
6
2
5
which can be expressed as:
In the first arrangement the entries in the first column represent the number of
note books possessed by Radha, Fauzia and Simran, respectively and the entries in the
second column represent the number of pens possessed by Radha, Fauzia and Simran,
Rationalised 2023-24
 36
MATHEMATICS
respectively Similarly, in the second arrangement, the entries in the first row represent
the number of notebooks possessed by Radha, Fauzia and Simran, respectively The
entries in the second row represent the number of pens possessed by Radha, Fauzia
and Simran, respectively An arrangement or display of the above kind is called a
matrix