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 C _ B D _ C D C D
2 _ 4 1 _ 1 4 _ _ _ _
c d _ b c _ a ? ? ? ?
Answer: A. a, b ,a ,b
Clearly, 4 corresponds to C and a corresponds to 4.
So, a corresponds to C.
1 corresponds to D and b corresponds to 1.
So, b corresponds to D.
Thus, CDCD corresponds to a, b, a, b.