Verbal Reasoning - Mental Ability Questions

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. BAZ, DCY, FEX, ?

Five students P, Q, R, S and T are sitting on a bench. Q is to the left of P and right of T. S is at the extreme right end and R is to the left of S. Who is sitting third from the left?

Choose the pair in which the words are differently related.

How many such pairs of letters are there in the word ORDINAL each of which has as many letters between them in the word as in the English alphabet?

If two line pa + b = 2 and 3a + b = 4 are parallel to each other, then what is the value of p ?

One word substitute for 'a post without remuneration?'

What is the feminine of bull  ?

In the following question, one term in the number series is wrong. Find out the wrong term.
3, 10, 27, 4, 16, 64, 5, 25, 125