Verbal Reasoning - Mental Ability Questions

In the following question, select the odd number pair from the given alternatives.

Find the missing numbers from the given alternatives

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

CAL, AWF, YSZ, WOT, ?

How many such pairs of letters are there in the word REGIONAL, each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetical series ?

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

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, ?

How is Sameer related to Akbar if Sameer introduced Akbar as his maternal grandmother's only son's son?

If "A" denotes "multiplied by", "C" denotes "subtracted from", "D" denotes "added to" and "B" denotes "divided by", then 76 C 54 D 210 B 3 A 15 = ?