Question: is 25 odd or even?
Answer: Even and Odd Numbers. Even numbers can be divided evenly into groups of two. ... Odd numbers always end with a digit of 1, 3, 5, 7, or 9. 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 are odd numbers.