Multiple choice Directions: Find the odd one out. 12-49 18-72 16-65 14-57 None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation In all three options, second number is one more than four times the first number, that means 12 x 4 + 1 = 49. But in this option, 72 = 18 x 4 only, so it is the correct answer.