Identify the odd one out in the series: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19.

Identify the odd one out in the series: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19.

Step 1: Look at the series of numbers: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19.
Step 2: Identify what type of numbers are in the series. They are all supposed to be odd numbers.
Step 3: Check each number to see if it is odd. 3, 5, 7, 9, 11, 13, 15, 17, and 19 are all odd.
Step 4: Notice that 1 is included in the series. Although 1 is technically an odd number, it is often treated differently in some contexts.
Step 5: Conclude that 1 is the odd one out in this series because it is sometimes not considered an odd number in the same way as the others.

Odd and Even Numbers – Understanding the classification of numbers as odd or even, and recognizing that 1 is often considered the first odd number.