Analogy Questions

In the following question, select the related number from the given alternatives.
48 : 63 : : 80 : ?

Select the related word/letters/number from the given alternatives.
BCD : YXW : : FGH : : ?

Select the related word/letters/number from the given alternatives.
Opposite : Identical : : Lengthy : ?

In the following question, select the related word pair from the given alternatives. Pascal : Pressure : : ? : ?

Select the related word/letters/number from the given alternatives. MOLTU : ? :: HOPE : IPQF

Error : Blunder :: ___ : Excellent

In the following question, select the related number from the given alternatives. 563 : 635 : : 894 : ?

In the following question, select the related letter from the given alternatives.
DE : O : : AF : ?