Number analogy section deals with two types of questions:
I. Choosing a similarly related pair as the given number pair on the basis of the relation between the numbers in each pair.
II. Choosing a number similar to a group of numbers on the basis of certain common properties that they possess.
8 : 28 : : 27 : ?
Justification: The relationship is x3 : (x + 1)3 + 1.