Question

Is 0 even number or Odd please? justify your answer

Answer 1

0 is an even number. Every even numbers leave remainder 0 on division by 2. 0 also leaves remainder 0 on division by 2. Hence it's an even number.

Answer 2

zero is even because odd number plus or minus 1 is a even number
1 is odd number so 1-1=0=even number