Direction: In each of the following letter series, some of the letters are missing, which are given in the same order as one of the alternatives below it. Chose the correct alternatives.
-
_cb_ca_bacb_ca_bac_d
-
- addddb
- addbbb
- bddddb
- bbbbdd
Correct Option: A
The sequence is made of repetition of two blocks acbd and cadb alternatively.
acbd/cadb/acbd/cadb/acbd ⇒ addddb
