Question

State whether the square of the given numbers is even or odd.  

(1) 654

(2) 6776

(3) 7025

Answer 1

We know that the square of an odd number is odd and the square of an even number is even.

(1) 654 is even. So, the square of 654 is also even.

(2) 6776 is even. So, the square of 6776 is also even.

(3) 7025 is odd. So, the square of 7025 is also odd.