The second term is the reverse order of the
first term. In addition to the above types, a number of
other types can also be identified.
Mathematical Reasoning MCQ - Letter Series
The third letter is repeated as the first letter of the
next segment. The middle letter, A, remains static. The
third letters are in alphabetical order beginning with R.
The middle letter T is fixed. The first and third letters are
swapping their position in second and fourth terms. The
first letters are in alphabetical order: F, G, H, I, and J. The
missing segment begins with a new letter J.
For first letter of each triplet, the series is STUVW.
The remaining two letters of the series goes like CD, EF,
GH, IJ, KL.
This is an alternating series in alphabetical order.
The middle letters follow the order ABCDE. The first
and third letters of the triplets are in alphabetical order
beginning with J. The third letter is repeated as a first
letter in each subsequent three−letter segment.

