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Alphanumeric series Questions and Answers


Reasoning is the most important section in competitive exams. One of the prominent face of reasoning questions is Alpha-Numeric series. Question from this section are generally easy and very scoring. There is always high chance of finding 1- 4 questions in any competitive exam from this section. The questions are based on following types of series:



1. Missing Series: Where a series of alphabets and numbers may be given a particular pattern and candidates may be asked to fill in the blank space with the required element



2.Alphabet-Number-Symbol:These questions may also be asked in a format where a series with alphabets, number and different types of symbols (like &, *, $, etc.) may be given, and questions may be asked based on them



3.Only Alphabetic Series:Series with either missing element or questions with sub-parts may be asked which comprise only English Alphabets and no numbers, set in a specific pattern



4.Only Numerical Series:Series comprising only numbers, set in a specific pattern may be asked the exam. Questions based on this type may be asked in the form of rearrangement of numbers or digits with the number in ascending, descending or any other order



Important questions on alpha numeric series:



Direction: 1-5) Study the set of numbers given below and answer the questions given below:
247 831 389 725 598

Q-1) Which of the following numbers will be obtained if the first digit of the 2nd lowest number is subtracted from the second digit of the greatest number?
1
2
3
4
5



Q-2) If in each number, first and the last digits are interchanged, which of the following will be the highest number?
247
851
389
725
598



Q-3) If in each number the second and the third digits are interchanged, which will be the second lowest number?
247
851
389
725
598



Q-4) If one is subtracted from the last digit of each of the numbers and then the first and the third digits are interchanged, which of the following number will be the lowest?
247
851
389
725
598



Q-5) If in each number, all the three digits are arranged in ascending order, which of the following will be the highest number?
247
851
389
725
598



Directions (6-10) Study the following arrangements of numbers, symbols and letters carefully, follow the instructions and answer the questions.
7 F G 3 % O 1 H @ 5 I Q 9 0 * Z U # Y X 6 E W @ B 2 A $ % 9

Q.6) How many consonants are there in the given series which are immediately preceded by a vowel and immediately followed by a digit?
Two
Three
One
None
More than three



Q.7) Which of the following element is fifth to the right of eleventh element from the left end?
Z
U
*
4
#



Q.8) How many vowels are there in the given series which are immediately proceeded by a digit but not immediately followed by a consonant?
Two
Three
One
More than three
None



Q.9) If all the digits are removed from the above series, then which element is twelfth from the right end?
Q
U
#
Z
None of these



Q.10) If Four of the following five are alike in a certain way and thus form a group. Which is the one that does not belong to that group?
O1%
ZU*
[email protected]
$%9
YX#



Directions (11-15) Study the following arrangements of numbers, symbols and letters carefully, follow the instructions and answer the questions.
8 K L 5 I R T 8 2 % U * 1 S V ^ W N M Z 2 7 $ F ! B ¥ 0

11). If all odd numbers are deleted in the series which will be the 8th element from right end?
M
8
2
Z
None of these



12). After eliminating all the alphabet from the series which will be the 10th element from the left side?
T
%
$
7
None of these



13). If we add all the numbers in the given series then result would be?
33
23
27
32
None of these



14). If all the digits in the series are multiplied with 3 and then all numbers added, the resultant is?
101
100
90
99
None of these



15). After eliminating all the symbols from the given series what will be the 3rd element to the right of the 5th element from the left side?
8
2
N
Z
None of these



Directions (16-20) Study the following arrangements of numbers, symbols and letters carefully, follow the instructions and answer the questions.
R % 4 ! C 7 B 1 ^ N 3 π C F © 8 S Ω 9 L Q X & G £ D & R 3 * O

16). If all the consonants are dropped from the given series which will be the 6th from the right of the 2nd element from the left end?
N
^
π
8
None of these



17). How many symbols are there in arrangement, followed by an alphabet and preceded by a number?
4
5
2
0
None of these



18). What is the difference between the number 6th right end and 13th from left end based on reversing the series from the right end?
8
4
2
8
None of these

19). What is the sum of place value according to alphabet series of the element in given series 7th from left end and 8th from right end? (consider A=1; B=2; C=3;...So on till Z=26)
8
9
10
11
None of these



20). In the given arrangement how many how many symbols are there between B and D?
7
6
4
8
None of these



EXPLANATION:

Q-1) 2nd lowest number is = 389 first digit of the 2nd lowest number is = 3
greatest number = 851
second digit of the greatest number = 5
subtraction = 5 – 3 = 2



Q-2)
247 851 389 725 598
742 158 983 527 895


Answer – 389

Q-3) 247 851 389 725 298
274 815 398 752 589
: Answer – 389
Q-4) 247 857 389 725 598
642 658 883 427 795
Answer – 851
Q-5) 247 851 389 725 598
247 158 389 257 589
Answer – 589

Answer
Q-6) c, IQ9
Q-7) a, Z
Q-8) a, 5IQ,6EW
Q-9) d, Z
Q-10) d, $%9

Answers (11-15)
11). Z
12). 7
13). 33
14). 99
15). 8

Solution 11:
According to the given series -
8 K L 5 I R T 8 2 % U * 1 S V ^ W N M Z 2 7 $ F ! B ¥ 0
After deleting all the odd numbers then series will be 8 K l R T 8 2 % U * S V ^ W N Z 2 $ F ! B ¥ 0 And the 8th element the right end is Z.

Solution 12:
According to the given series -
8 K L 5 I R T 8 2 % U * 1 S V ^ W N M Z 2 7 $ F ! B ¥ 0
After eliminating all the alphabets then the series will be
8 5 8 2 % * 1 ^ 2 7 $ ! ¥ 0
And the 10th element from the left side is 7.

Solution 13:
According to the given series -
8 K L 5 I R T 8 2 % U * 1 S V ^ W N M Z 2 7 $ F ! B ¥ 0 Addition of all the numbers of the given series is 33. (8+5+8+2+1+2+7+0)
Solution 14: According to the given series - 8 K L 5 I R T 8 2 % U * 1 S V ^ W N M Z 2 7 $ F ! B ¥ 0 And after the digits in the series are multiplied with 3,resultant is 99 (8*3+5*3+8*3+2*3+1*3+2*3+7*3+0*3). Solution 15:
According to the given series -
8 K L 5 I R T 8 2 % U * 1 S V ^ W N M Z 2 7 $ F ! B ¥ 0
After eliminating all the symbols series will be
8 K L 5 I R T 8 2 U 1 S V W N M Z 7 F B 0
And the 3rd element to the right of the 5th element from the left side is 8.

Answers(16-20)
16). π
17).4
18). 2
19). 9
20). 6

Solution 16:
According to the given series -
R % 4 ! C 7 B 1 ^ N 3 π C F © 8 S Ω 9 L Q X & G £ D & R 3 * O
After dropping all the consonants series will be
% 4 ! 7 1 ^ 3 π © 8 Ω 9 & £ & 3 * O
And the 6th from the right of the 2nd element from the left end is π.

Solution 17:
According to the given series -
% 4 ! C 7 B 1 ^ N 3 π C F © 8 S Ω 9 L Q X & G £ D & R 3 * O
And total symbols followed by an alphabet and preceded by a number is 4.
( 4 ! C 1 ^ N 3 π C 3 * O)

Solution 18:
According to the given series -
R % 4 ! C 7 B 1 ^ N 3 π C F © 8 S Ω 9 L Q X & G £ D & R 3 * O
After reversing the series from right end -
O * 3 R & D £ G & X Q L 9 Ω S 8 © F C π 3 N ^ 1 B 7 C ! 4 % R
And the difference between the number 6th right end and 13th from left end is 9 – 7 = 2

Solution 19:
According to the given series -
R % 4 ! C 7 B 1 ^ N 3 π C F © 8 S Ω 9 L Q X & G £ D & R 3 * O
And the sum of place value according to alphabet series of the element in given series 7th from left end and 8th from right end is 2 + 7 = 9.(as B=2 ; G= 7)

Solution 20:
According to the given series -
R % 4 ! C 7 B 1 ^ N 3 π C F © 8 S Ω 9 L Q X & G £ D & R 3 * O And the symbols between B and D is 6.

We hope these important alpha numeric series questions and answers helped students gain an insight into the type of questions that constitute Alpha Numeric Series in Reasoning Section. Students may find series section a bit complex in the beginning, regular practice will ensure you are comfortable with the series.

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