Question

The square of which one of the following numbers would be odd?

• A. $888$
• B. $2826$
• C. $82002$
• D. $777$

Answer 1

The correct option is D $777$

• The square of $888$ will have $4$ at its units place.
• The square of $2826$ will have $6$ at its units place.
• The square of $82002$ will have $4$ at its units place.
• The square of $777$ will have $9$ at its units place.

So, the square of $777$ is an odd number.