This is an alternating addition and subtraction series.

Correct Option: B

This is an alternating addition and subtraction series, in which the addition of 4 is alternated with the subtraction of 3.

In this simple addition with repetition series, each number in the series repeats itself,

Correct Option: B

In this simple addition with repetition series, each number in the series repeats itself, and then increases by 12 to arrive at the next number.

In this simple subtraction series, the numbers decrease by 3.

Correct Option: A

In this simple subtraction series, the numbers decrease by 3.

Here, there are two alternating patterns, one addition and one subtraction.

Correct Option: D

Here, there are two alternating patterns, one addition and one subtraction. The first starts with 2 and increases by 2; the second starts with 44 and decreases by 3.

This is a simple subtraction series,

Correct Option: D

This is a simple subtraction series, in which 4 is subtracted from each number to arrive at the next.