Verbal Reasoning - Mental Ability Questions

If 'P 3 Q' means 'P is daughter of Q', 'P 5 Q' means 'P is father of Q', 'P 7 Q' means 'P is mother of Q' and 'P 9 Q' means 'P is sister of Q', then how is J related to K in J 3 L 9 N 3 O 5 K?

In the following question, select the related letters from the given alternatives.
PRAG : QTDK : : STOP : ?

Choose the related word/letters/number from the given alternatives.
36 : 6 : : 441 : ?

In a certain code language, "DURING" is written as "GRUFQD". How is "PICKED" written in that code language?

If a = x, b = / and c = +, find the value of 7a5c1b6

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

17, 27, 42, 62,?

In the following question, select the related number group from the given alternatives.
19 : 367 : : ? : ?

Select the odd number from the given alternatives.