Verbal Reasoning - Mental Ability Questions

Select the missing number from the given options.

In the following question, select the missing number from the given series.

23, 29, 24, 30, 25, ?

A child must have had 

Choose the related word/letters/number from the given alternatives.

GH : 78 : : ? : 1819

In the following question, select the missing number from the given series.

8, 16, ?, 64, 128

Select the related word/letters/numbers from the given alternatives:

LAMP : IXJM :: FISH : ?

The following question consist of two words each that have a certain relationship to each other, followed by lettered pairs of words.Select the lettered pair that has the same relationship as the original pair of words.

Pedant  :  Erudition

From the above sequence find the missing term?

ADG : +=2 :: CEI : ___