Multiple choice general knowledge math & puzzles The numbers 1,3,5,7……….. are called as Odd Number Even Number Whole Number Real Number Reveal answer Fill a bubble to check yourself A Correct answer Explanation Odd numbers are integers that cannot be divided evenly by 2, resulting in a remainder. The sequence 1, 3, 5, 7 follows this definition. Even numbers are divisible by 2, and whole numbers include zero.