State true or false:The Square of any number is equal to twice its value.

Solution :

Square Numbers:

When a number is multiplied by itself, the product is called a ‘Square Number’.

The Square of a number a is $a\times a$.

Square of $15 = 15\times 15 =225$

It is not equal to $15\times 2=30$

Therefore,

The Square of a number is not equal to twice its value.

Therefore, the given statement is false.