Verbal Reasoning - Mental Ability Questions

In the following question, select the related letters from the given alternatives.
JQXE : LSZG : : MTNL : ?

If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?

When Anil saw Manish, he recalled "he is the son of the father of my wife". Who is Manish to Anil?

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

P_P_RPQ_S_Q_ST

If 8α9 = -72, -9α3 = 27 and -6α1 = 6, then find the value of -3α6 = ?

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then 187 B 17 C 4 A 7 D 17 = ?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

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

DE, HI, LM,?