Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.

36 : 9 : : 49 : ?

If PQRST : SPTRQ then HIJKL : ?

In the following question, select the related number from the given alternatives.

39 : 66 : : 57 : ?

Select the related word/letters/number from the given alternatives.

12 : 72 : : 14 : ?

If 20#4 = -5, 50#25 = -2 and 80#16 = -5, then find the value of 10#2 = ?

In the following question, select the related number from the given alternatives.

15 : 17 : : 23 : ?

Select the related word/letters/number from the given alternatives.

LETTER : MFUUFS : : AHEAD : ?

Select the related word/letters/number from the given alternatives.

DEMONSTRATE : NOMEDSETART : : CORRUPT : ?