CLASSIFICATION In Reasoning Ability

CLASSIFICATION
Classification is a process of grouping various objects on the basis of their common properties. In these types of questions the candidate is required to choose one item which does not fit into the group of similar items

Types of Questions
Word Classification :
In this type of classification, different objects are classified on the basis of common features / properties - names, places, uses, situations, origin, etc.

Example Four of the following five are alike in a certain way and so form a group. Which is the one that does not
belong to that group?
(a) March (b) January
(c) July (d) June
(e) May
Sol. (d) All other months have 31 days.

Alphabet Classification :
In this type, alphabets are classificatied in a group using a particular method or rule.
Rules or methods used for such classification are often simple
and hence can easily be understood.

 Example : Four of the following five - are alike in a certain way and so form a group. Which is the one that does not
belong to that group?
(a) BY (b) LO
(c) EW (d) GT
(e) HS
Sol. (c) All others letter pairs are in exactly opposite positions
in the alphabet of each other. i.e. is B is the IInd alphabet
from start, then y is the second alphabet from the end.

Number Classification
In this type, numbers are classified in a group using a
particular method or rule. Rules or methods used for such
classification may be based on mathematical operation

 Example: Four of the following five are alike in a certain way and so form a group. Which is the one that does not
belong to that group?
(a) 28 (b) 42
(c) 35 (d) 21
(e) 65
Sol. (e) All other numbers are divisible by 7 while 65 is not divisible by 7.

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