Classification: Tricks to find the Odd One Out

20-DEC-2017 18:57


    ‘Classification’ means to list the items of a given group on the basis of certain quality and then choose the stranger out. It is one of the important chapters of General Mental Ability Segment of Reasoning. In these types of Questions the candidate is required to choose one item which does not fit into the group of similar items.

    Odd one out


    Odd word

    Type I: Selecting the odd WORD

    Example:  Select the word which is least like the other words in the group.

    a)      Dagger

    b)      Hammer

    c)      Knife

    d)      Sword

    Answer: b) - Here all are sharp edged and having a cutting action except Hammer.

    Odd word pair

    Type II: Selecting the odd PAIR OF WORDS

    Example: Choose the odd pair of words

    a)      Oil: Lamp

    b)      Power: Machine

    c)      Oxygen: Life

    d)      Water: Tap

    Answer: d) - Clearly in all the pairs second requires the first to function.

    Odd Numeral

    Type III: Selecting the odd NUMERAL

    Example: Choose the number which is different from others in the group.

    a)      17

    b)      27

    c)      29

    d)      37

    Answer: b) - Each of the numbers except 27 is a prime number.

    Odd Numeral Pair

    Type IV: Selecting the odd NUMERAL GROUP OR NUMERAL PAIR

    Example: Choose the number which is different from others.

    a)      21-49

    b)      24-64

    c)      25-54

    d)      27-81

    Answer: c) - In all other numbers, the second number is the square of one-third of the first number.

    Odd Letter

    Type V: Selecting the odd LETTER GROUP

    Example: Choose the group of letters which is different from others.

    a)      APBQ

    b)      CRDT

    c)      EUFV

    d)      GWHX

    Answer: b) - In all other, the first and the third as well as the second and the fourth are consecutive letters in the English alphabet.

    Odd figure

    Type VI: Selecting the odd FIGURE OR IMAGE

    Example: Find out the figure which does not belong to the group.

    Odd Image

    Answer: d) - Except figure d), all other figures have total 8 lines in the blanks.


    So, now you know that questions based on the concept ‘Classification – Odd One Out’ can be easily attempted and scored well in any competitive exam.

    DISCLAIMER: JPL and its affiliates shall have no liability for any views, thoughts and comments expressed on this article.

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