Verbal Reasoning - Mental Ability Questions

In a certain code, if LEMON is coded as PWOMA then SHIRT is coded as

In a certain code language, "WILDHORN" is written as "1133" and "RAPTURE" is written as "1089". How is "PORTLOUIS" written in that code language?

Select the missing number in the given question?

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then 72 C 9 D 2 B 6 A 10 = ?

In the following question, by using which mathematical operator will the expression become correct?
18 ? 6 ? 9 ? 27

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
C11, V17, O23, ?

If IMPLORE is coded as GKNJMPC, then how will HUB be coded as?

Introducing a man, Amar says, "His wife is the only daughter of my maternal grandfather". How is the man related to Amar?