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Coding Decoding Questions and Answers


Coding and Decoding questions, involve a condition that must be decoded and the logic must be applied to other parts. Process involves decoding, understanding and application of same to other code.
Competitive exams require every topic to prepared in detail. Coding-decoding is a prominent section across all the exams. Following are components of such questions.

1.Coding is a process used to encrypt a word, a number in a particular code or pattern based on some set of rules.
  2.Decoding is a process to decrypt the pattern into its original form from the given codes.
3.Letter Coding In this type of questions, alphabets of a word are replaced by some other alphabets according to specific rule to form code.
  4.Number Coding In this type of questions, a word is replaced by certain numbers according to some specific rule.

We have formed few questions along with their detailed answers for your practice.



Important Coding Decoding Questions and Answers For Government Job Exams



Direction: Study the following information and answer the following questions:
In a certain code language-
‘Place Aunction Working Fired’ is written as ‘fm lb pd ub’,
‘Centred Working Crash normally’ is written as ‘ub ty qb gb’,
‘Fired normally water numbering’ is written as ‘fd pd nu ty ’,
‘Centred marking numbering dam’ is written as ‘qb nu vf mb’,

Q.1) What is the code for ‘marking’?
qb
vf
nu
mb
Cannot determined

Q.2) What does ‘gb’ stand for in the given code language?
Numbering
Crash
Place
Centred
None of these

Q.3) Which of the following word is written as ‘fd pd’ in the given code language?
Aunction Fired
Place dam
Water numbering
Fired water
None of these

Q.4) What may be the code for ‘normally time’ in the given code language?

wc fd
mb vf
ty wc
rb mb
ty ub

Q.5) Which of the following word is written as ‘fm’ in the given code language?
Place
Centred
dam
Aunction
can’t be determined

Direction: Study the following information and answer the following questions:
In a certain code language,
‘raining beach matching’ is written as ‘jk hb fg’,
‘stayed handed beach’ is written as ‘sa la jk’,
‘Handed raining inquired’ is written as ‘hb la pq’,

Q-6) What is the code for ‘raining’?
la
hb
pq
jk
None of these

Q-7) Which of the following may be the code for ‘Taught Matched’?
jk yh
lb pq
fg yh
hb pq
None of these

Q-8) What is the code for ‘Stayed’?
hb
jk
sa
la
Can’t be determined

Q-9) What is the code for ‘Handed’?
hb
jk
sa
la
Can’t be determined

Q-10) Which of the following may be the code for ‘inquired’?
1. hb
2.Pq
sa
la
Can’t be determined

Direction: Study the following information and answer the following questions:
In a certain code language,
‘ways those risk tractor’ is written as ‘ bb hi si xe’ ‘Written back tractor’ is written as ‘gg vi xe’.
‘tribe those prior back’ is written as ‘gg yo hi bi’.
‘tribe prior and ways’ is written as ‘bb yo dn bi’.
Q 11) What is the code for ‘written’?
vi
bb
xe
yo
Cannot be determined

Q 12) What does ‘gg’ stand for?
Written
Tractor
Prior
Back
None of these

Q 13) What is the code for ‘tribe’?
bi
dn
bb
yo
Can’t be determined

Q 14) Which of the following may represent ‘tractor’?
yt
dn
bb
xe
None of these

Q 15) Which of the following may represent ‘tractor ways written’?
xe bi yt
yt xe dn
bb vi xe
bb xe bi
None of these

Q 16) If in a code language , SYMBOL is written as HBNYLO, how will SIMON be written in that code?
HEVVM
TVEVO
HRNLM
HRNVN
None of these

Q 17) In the given number ‘842752582’ if ‘2’ is added to each odd digit and ‘1’ is subtracted from each even digit then how many digits are not repeated in the resultant number thus obtained?
One
None
Three
Four
None of these

Explanation:
Answer
e
b
d
c
e

Direction: Study the following information and answer the following questions:
In a certain code language:
‘pricing read Testing’ is written as ‘bg fq pr’.
‘Test hindu sale’ is written as ‘at fq tu’,
‘pricing recording read’ is written as ‘bg po pr’,
‘read sale Testing’ is written as ‘fq at bg’

Q 18) What is the code for ‘read sale’ in the given code language?
tu bg
bg at
fq pr
bg fq
None of these

Q 19) What is the code for ‘hindu’ in the given code language?
tu
pr
at
fq
None of these

Q 20) What is the code for ‘recording pricing’ in the given code language?
fq tu
po pr
fq at
po fq
None of these

Solution:

Answer
b
c
c
d
b

Solution:

Answer
a
d
e 14) d
15) c

Solution:

Solution 16:
Answer : c

Reverse letters of the letters within the word according to the English alphabet series.

Solution 17 :
Answer : e
‘ 842752582’ changes to ‘731971771 ’ . 3 and 9 are not repeated.

Answer
b
a
b

Solution:

Above coding decoding questions and answe will give you a fair idea and required practice to students. Coding Decoding is based on ability of students to identify the logic and use the same logic to arrive at right answer. Students should be aware of basics of coding related to numeric, alphabetical, or alpha numeric problems. Practice is the key to master this section.


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