Question

State which of the following are mathematical statements and which are not? Give reason.

i.	She has blue eyes.
ii.	$x+7=18$.
iii.	Today is not a Sunday.
iv.	For each counting number $x,x+0=x$.
v.	What time is it?

Answer 1

Given statements are:

i.	She has blue eyes.
ii.	$x+7=18$.
iii.	Today is not a Sunday.
iv.	For each counting number $x,x+0=x$.
v.	What time is it?

i. This is not a mathematical statement. This is a general statement.

ii. $x+7=18$ is mathematical statement

iii. This is a statement but not mathematical statement.

iv. $x+0=x,$ this is a mathematical statement

v. This is not a statement.