Verbal Reasoning - Mental Ability Questions

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

553 : 551 : : 447 : ?

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

India : Tiger : : Nepal : ?

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

DR:SE :: NC: ?

Select the related word from the given alternatives.

Tongue : Taste :: Nose : ?

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

12 : 72 : : 13 : ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

18 + 12 ÷ 9 - 30 x 16 = 10

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

Summer : Aestivation :: Winter : ?

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

QC : T : : SF : ?