Find the odd number.
Show answer & explanation
Correct answer: D
Explanation
Correct Answer: 55
In the given set of numbers, 10, 20, and 40 are all even numbers that are exactly divisible by 2.
Conversely, 55 is an odd number because its units digit is 5 and it is not exactly divisible by 2. Therefore, 55 is the odd one out in this set.