Question

The square of which of the following number will be even?
11, 111, 1111, 112

• A. 11
• B. 111
• C. 1111
• D. 112

Answer 1

The correct option is D 112

Odd Number $\times$ Odd Number = Odd Number
Even Number $\times$ Even Number = Even Number
$\because$ 112 is even, its square will be even.