Verbal Reasoning - Mental Ability Questions

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

27:125 :: 64:?

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

Bacteria : Microscope :: Moon : ?

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

ABCD : HYXE : : MNOP : ?

Complete the following with an appropriate option

529 : 441 :: 961 : ___

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

MN : NM : : JK : ?

Insert the missing character marked as '?'.

Select the related number from the given alternatives.

12.5 : 6.25 :: 7 : ?

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

Foot : Man :: Hoof : ?