Analogy Questions

Select the related word from the given alternatives.

Product : Multiplication :: Sum : ?

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

27 : 125 : 64 : ?

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

BDFH : YWUS :: JLNP : ?

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

Brave : Coward : : Culprit : ?

Select the related word/letters/numbers from the given alternatives:

DHL : PTX :: BFJ : ?

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

59 : 68 : : ? : ?

Select the related word/letters/numbers from the given alternatives:

BIRD : AEROPLANE :: FISH : ?

When I went back to my hometown three years ago, I found that a lot of changes ______.