Letter series type of questions usually consists of a series of small letters which follow a certain pattern. However, some letters are missing from the series. These missing letters are then given in a proper sequence as one of the alternatives. The candidate is requitred to choose this alternative as the answer.

In following questions, three sequence of alphabets/numerals are provided which correspond to each other in some way. Find out alphabets/numerals that come in the blank places.Choose the correct option

_ A D A C B _ _ B D C C 1 3 _ _ 1 2 4 2 _ _ _ _ a _ _ b _ _ c d ? ? ? ?

A. a, c, d, d
B. a, d, c, c
C. c, a, d, d
D. d, c, a, a
Answer: D . d, c, a, a


Clearly, b corresponds to A.
1 corresponds to C and a corresponds to 1.
So, a corresponds to C.
2 corresponds to B and d corresponds to 2.
So, d corresponds to B.
So, the remaining lettter  i.e., c corresponds to D.
Thus, BDCC corresponds  to d, c, a, a.