What should come next in the following letter sequence?

A A B A B C A B C D A B C D E A B C D

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_ yzaa _ y _ xy _ aazy _

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

A, C, E, G, ?

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
H__JH__IJHHI__HH__JH

From the given alternative words, select the word which can be formed using the letters of the given word:

COMPANIONSHIP

Select the related word/letters/number from the given alternatives.
ABDE : FGIJ :: IJLM : ?

Arrange the following words as per order in the dictionary

1. Dyke 2. Dwindle 3. Dwell 4. Dye

Choose the correct alternative that will replace the question mark in the given series

DHL, PTX, BFJ, ?

Complete the series

BCD ,RQP, LMN, TS?