Find whether the square of the following numbers are even or odd?

431

Given a number 431 and need to find out whether it is even or odd

Now, the square of number, n = n²

Consider units digit of a number 431 and square the units digit number.

⇒ Here, Units digit number is 1

⇒ Square of 1 = 1

⇒ Square the unit digit 1 = 1

⇒ 1 is a odd number

⇒ ∴ square of 431 will be again odd number

Hence, 431 is odd number.