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About Number and Letter Series for Banking and SSC Exams

Posted on - 14-04-2017

Reasoning Series

Bank PO

NUMBER AND LETTER SERIES

Number and Letter Series form an important part of the Reasoning section in various competitive examinations. There are two or three broad categories of questions that appear in various exams from this particular chapter.

In the first category of questions, a series of numbers/ letters is given with one number/letter (or two numbers/letters) missing, represented by a blank or a question mark. The given series of numbers/letters will be such that each one follows its predecessor in a certain way, i.e., according to a definite pattern. Students are required to find out the way in which the series is formed and hence work out the missing number/ numbers or letter/letters to complete the series. For the purpose of our discussion, we will refer to this category of questions as Number Series or Letter Series Type I questions. Under Type I questions, there are a large variety of patterns that are possible and the student requires a proper understanding of various patterns to be able to do well in these types of questions. .

Number Series:

For better understanding, we will classify this into the following broad categories. .

  1. Difference series
  2. Product series
  3. Squares/Cubes series
  4. Miscellaneous series
  5. Combination series

 
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