Verbal Reasoning - Mental Ability Questions

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

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, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
PON, LKJ, GFE, ?

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

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 ?

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

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 = ?

Anu and Bittu start from the same point. Anu walks 35 m South, then turns West and walks 15 m, then turns to his right and walks 45 m. At the same time, Bittu walks 25 m North, then turns to his left and walks 15m. Where is Bittu now with respect to the position of Anu?