Explanation:

- Each option represents a number.

- Let's analyze each number to find the odd one out.

- Option 1: 18 - 18 is an even number.

- Option 2: 40 - 40 is an even number.

- Option 3: 82 - 82 is an even number.

- Option 4: 180 - 180 is an even number.

- All options are even numbers, so none is explicitly odd based solely on number parity.

- However, let's check if the numbers have other relations, like their divisibility or sequencing pattern.

- Divisibility by 9:

- 18 is divisible by 9.

- 40 is not divisible by 9.

- 82 is not divisible by 9.

- 180 is divisible by 9.

- Option 2 (40) and Option 3 (82) are not divisible by 9.

- Since the other options are divisible by 9, these two are considered the odd ones when looked at with this pattern.

- 18 and 180 are multiple-specific paired while 82 remains an individual non-fitting element with different pattern expectations beyond parity.

- Correct Answer: Option 3, 82