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Type A

Alphanumeric series is a regular feature in the reasoning section today; almost all exams have a set of 5-6 questions devoted to this series. The answers to this questions are easy, and can be completed by re-coding the series quickly with letters you are familiar with instead of dealings with random symbols. While visually, the series looks very daunting as one is not accustomed to seeing random numbers, alphabets and symbols in daily life. However, the questions based on such series are relatively easy. 
 
Lets take an example.

 

Directions - (Q. 1-5)

Study the following arrangement carefully and answer the questions given below—

 

B # A R 5 8 E % M F 4 J 1 U @ H 2 © 9 T I 6 * W 3 P # K 7 $ Y

 
Useful Tips
 
It is important to get key definitions right :
  • Vowels – A, E, I, O, U -----------------v
  • Consonants – All letters except vowels------------c
  • Numbers – 1,2,3,4 etc.----------------n
  • Symbols - !@#$% etc. ----------------s
Now lets study the questions:
 
Example-1

Which of the following is the twelfth to the left of the twentieth from the left end of the above arrangement ?

  1. %
  2. W
  3. $
  4. J
  5. None
  • First Code the items as v,c,n,s
  • Assign numbers to the respective items in the series


 

 
Example-2

How many such numbers are there in the above arrangement each of which is immediately preceded by a consonant and also immediately followed by a symbol?

  1. None
  2. One
  3. Two
  4. Three
  5. More than three
  • LOOK OUT FOR THE COMBINATION CNS
 
Example-3

How many such symbols are there in the above arrangement each of which is immediately preceded by a letter and also immediately followed by a number?

  1. None
  2. One
  3. Two
  4. Three
  5. More than three
  • LOOK OUT FOR THE COMBINATION  VSN AND CSN
  
Example-4

How many such consonants are there in the above arrangement each of which is immediately preceded by a consonant and also immediately followed by a number?

  1. None
  2. One
  3. Two
  4. Three
  5. More than three
  • LOOK OUT FOR THE COMBINATION CCN
  
Example-5

If all the numbers in the above arrangement are dropped, which of the following will be the eleventh from the right end?

  1. U
  2. T
  3. F
  4. H
  5. None
  • START COUNTING FROM THE RIGHT END AND JUST IGNORE THE “N”s

 

Answers
 
Example-1  Ans-A
 
Example-2  Ans-C
 
Example-3  Ans-A
 
Example-4  Ans-B
 
Example-5  Ans-D




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