Question

the number of digits in the square of an n digit is eiether​

Answer 1

Answer:

4 digits

Step-by-step explanation:

Let us consider 1st number as 1

no of digit : 1

square : 1

number of digit in square : 1

satisfying options 1,3

now Let us consider 2nd number as 4

no of digit : 1

square : 16

number of digit in square : 2

satisfying options 4