Question

Square numbers can only have ____________ at the end.

• A. Odd number of zeros
• B. Even number of zeros
• C. Both (A) and (B)
• D. None of these

Answer 1

The correct option is B Even number of zeros

Square numbers can only have EVEN NUMBER OF ZEROS because zero comes in only the square of $10$ and square of $10$ is $100$ that contains even number of zeros.