Coding and Decoding Questions: Solved 619 Coding and Decoding Questions and answers section with explanation for various online exam preparation, various interviews, Logical Reasoning Category online test. Category Questions section with detailed description, explanation will help you to master the topic.

Coding and Decoding Questions

Directions: Study the following information carefully and answer the questions given beside:
 
In a certain code language,
 
‘We do different things’ is written as ‘ne tz iq dp’
‘Do good deeds always’ is written as ‘ge qd dp yc’
‘We hate evil deeds’ is written as ‘um ol qd tz’
‘Some persons like evil good’ is written as ‘yc rc um tl zp’

Refer the above for the Questions 1 to 3
1. What does the code ‘ol’ stands for in the given code language?




SHOW ANSWER
Correct Ans:hate
Explanation:
Following the common explanation, we can say that the code ‘ol’ stands for ‘hate’ in the given code language.

Hence, the correct answer is option C.

Common Explanation:

We do different things → ne tz iq dp …….(i)

Do good deeds always → ge qd dp yc …….(ii)

We hate evil deeds → um ol qd tz …….(iii)

Some persons like evil good → yc rc um tl zp …….(iv)

From the equations (i) and (ii), we get:

Do → dp …….(v)

From the equations (i) and (iv), we get:

We → tz …….(vi)

From the equations (i), (v) and (vi), we get:

different/people → ne/iq …….(vii)

From the equations (ii) and (iii), we get:

deeds → qd …….(viii)

From the equations (ii) and (iv), we get:

good → yc …….(ix)

From the equations (ii), (v), (viii) and (ix), we get:

always → ge …….(x)

From the equations (iii) and (iv), we get:

evil → um …….(xi)

From the equations (iii), (vi), (viii) and (ix), we get:

hate → ol …….(xii)

From the equations (iv), (ix) and (xi), we get:

Some/persons/like → rc/tl/zp …….(xiii)


2. Which of the following is the code for ‘Like Some Persons’ in the given code language?      




SHOW ANSWER
Correct Ans:rc tl zp
Explanation:
Following the common explanation, we can say that ‘rc tl zp’ is the code for ‘Like Some Persons’ in the given code language.

Hence, the correct answer is option A.

Common Explanation:

We do different things → ne tz iq dp …….(i)

Do good deeds always → ge qd dp yc …….(ii)

We hate evil deeds → um ol qd tz …….(iii)

Some persons like evil good → yc rc um tl zp …….(iv)

From the equations (i) and (ii), we get:

Do → dp …….(v)

From the equations (i) and (iv), we get:

We → tz …….(vi)

From the equations (i), (v) and (vi), we get:

different/people → ne/iq …….(vii)

From the equations (ii) and (iii), we get:

deeds → qd …….(viii)

From the equations (ii) and (iv), we get:

good → yc …….(ix)

From the equations (ii), (v), (viii) and (ix), we get:

always → ge …….(x)

From the equations (iii) and (iv), we get:

evil → um …….(xi)

From the equations (iii), (vi), (viii) and (ix), we get:

hate → ol …….(xii)

From the equations (iv), (ix) and (xi), we get:

Some/persons/like → rc/tl/zp …….(xiii)


3. Which of the following is the code for ‘Always’ in the given code language?




SHOW ANSWER
Correct Ans:ge
Explanation:
Following the common explanation, we can say that ‘ge’ is the code for ‘Always’ in the given code language.

Hence, the correct answer is option A.

Common Explanation:

We do different things → ne tz iq dp …….(i)

Do good deeds always → ge qd dp yc …….(ii)

We hate evil deeds → um ol qd tz …….(iii)

Some persons like evil good → yc rc um tl zp …….(iv)

From the equations (i) and (ii), we get:

Do → dp …….(v)

From the equations (i) and (iv), we get:

We → tz …….(vi)

From the equations (i), (v) and (vi), we get:

different/people → ne/iq …….(vii)

From the equations (ii) and (iii), we get:

deeds → qd …….(viii)

From the equations (ii) and (iv), we get:

good → yc …….(ix)

From the equations (ii), (v), (viii) and (ix), we get:

always → ge …….(x)

From the equations (iii) and (iv), we get:

evil → um …….(xi)

From the equations (iii), (vi), (viii) and (ix), we get:

hate → ol …….(xii)

From the equations (iv), (ix) and (xi), we get:

Some/persons/like → rc/tl/zp …….(xiii)


Direction: Study the following information carefully to answer the given questions.

In a certain code language,
‘Administration is Planning for Calamites Problem’ is written as ‘ti cu ko mo je pe’,
‘Problem less Administration’ is written as ‘de cu ko’,
‘less Formed Problem’ is written as ‘cu pa de’,  
‘Administration Planning in Problem’ is written as ‘cu ti ko su’.

Refer the above for the Questions 4 to 6
4. Which of the following is the code for ‘Problem in Administration?




SHOW ANSWER
Correct Ans:su ko cu
Explanation:
The code for - 'Problem in Administration' is - su ko cu
From the given coded data we get following information:-



5. What does ‘su’ stand for?




SHOW ANSWER
Correct Ans:in
Explanation:
Su stands for in
From the given coded data we get following information:-



6. Which of the following is the code for ‘calamites’?




SHOW ANSWER
Correct Ans:Can't be determined
Explanation:
The code for 'calamites’ Can’t be determined
From the given coded data we get following information:-





Directions: Study the following information carefully and answer the questions given beside:

In certain coded language:

‘Worst Thing To Happen’ is coded as ‘ip tn bl rm’
‘Stay Close To Heart’ is coded as ‘pc ap ha bl’
‘Your Stay Was Worst’ is coded as ‘jr rm ha pi’
‘Thing Stay In Heart’ is coded as ‘ma pc ha tn’

Refer the above for the Questions 7 to 9
7. Which of the following is the code for ‘Heart’ in the given code language?




SHOW ANSWER
Correct Ans:pc
Explanation:
Following the common explanation, we can say that ‘pc’ is the code for ‘Heart’ in the given code language.

Hence, the correct answer is option D.

Common Explanation:

Worst Thing To Happen → ip tn bl rm …….(i)
Stay Close To Heart → pc ap ha bl …….(ii)
Your Stay Was Worst → jr rm ha pi …….(iii)
Thing Stay In Heart → pi ma ha tn …….(iv)

From the equations (i) and (ii), we get:

To → bl …….(v)

From the equations (i), and (iii), we get:

Worst → rm …….(vi)

From the equations (i) and (iv), we get:

Thing → tn …….(vii)

From the equations (i), (v), (vi) and (vii), we get:

Happen → ip …….(viii)

From the equations (ii) and (iii), we get:

Stay → ha …….(ix)

From the equations (ii), (iv) and (ix), we get:

Heart → pc …….(x)

From the equations (ii), (v), (ix) and (x), we get:

Close → ap …….(xi)

From the equations (iii), (vi) and (ix), we get:

Your/Was → pi/jr …….(xii)

From the equations (iv) (vi), (vii) and (xi), we get:

In → ma …….(xii)


8. Which of the following is the code for ‘Happen’ in the given code language?




SHOW ANSWER
Correct Ans:ip
Explanation:
Following the common explanation, we can say that ‘ip’ is the code for ‘Happen’ in the given code language.

Hence, the correct answer is option B.

Common Explanation:

Worst Thing To Happen → ip tn bl rm …….(i)
Stay Close To Heart → pc ap ha bl …….(ii)
Your Stay Was Worst → jr rm ha pi …….(iii)
Thing Stay In Heart → pi ma ha tn …….(iv)

From the equations (i) and (ii), we get:

To → bl …….(v)

From the equations (i), and (iii), we get:

Worst → rm …….(vi)

From the equations (i) and (iv), we get:

Thing → tn …….(vii)

From the equations (i), (v), (vi) and (vii), we get:

Happen → ip …….(viii)

From the equations (ii) and (iii), we get:

Stay → ha …….(ix)

From the equations (ii), (iv) and (ix), we get:

Heart → pc …….(x)

From the equations (ii), (v), (ix) and (x), we get:

Close → ap …….(xi)

From the equations (iii), (vi) and (ix), we get:

Your/Was → pi/jr …….(xii)

From the equations (iv) (vi), (vii) and (xi), we get:

In → ma …….(xii)


9. What does the code ‘jr’ stand for in the given code language?     




SHOW ANSWER
Correct Ans:Either ‘Your’ or ‘Was’
Explanation:
Following the common explanation, we can say that the code ‘jr’ stands for either ‘Your’ or ‘Was’ in the given code language.

Hence, the correct answer is option E.

Common Explanation:

Worst Thing To Happen → ip tn bl rm …….(i)
Stay Close To Heart → pc ap ha bl …….(ii)
Your Stay Was Worst → jr rm ha pi …….(iii)
Thing Stay In Heart → pi ma ha tn …….(iv)

From the equations (i) and (ii), we get:

To → bl …….(v)

From the equations (i), and (iii), we get:

Worst → rm …….(vi)

From the equations (i) and (iv), we get:

Thing → tn …….(vii)

From the equations (i), (v), (vi) and (vii), we get:

Happen → ip …….(viii)

From the equations (ii) and (iii), we get:

Stay → ha …….(ix)

From the equations (ii), (iv) and (ix), we get:

Heart → pc …….(x)

From the equations (ii), (v), (ix) and (x), we get:

Close → ap …….(xi)

From the equations (iii), (vi) and (ix), we get:

Your/Was → pi/jr …….(xii)

From the equations (iv) (vi), (vii) and (xi), we get:

In → ma …….(xii)


Directions: In each of the following questions given below, a word is given followed by four combinations of symbols and digits labeled A, B, C and D. You have to find out which of the following four combinations correctly represents the word based on the alphabet codes and the conditions given below. If none of the combinations matches, choose ‘None of these’ as your answer.



Condition 1:

If first element is a vowel and last element is a number then the codes are to be interchanged.

Condition 2:

If first element is a consonant and last element is a vowel then both of them are to be coded as middle element.

Condition 3:

If first element is an odd digit and last element is an even digit then the code will be written in reversed order.

Condition 4:
 
If any element appears twice in a code then it will be coded as L.

Note: If two or more conditions are applicable in single code then Condition 1 will be given 1st priority, Condition 2 will be given 2nd priority, Condition 3 will be given 3rd priority and Condition 4 will be given 4th priority. And position of all elements in the code will be taken from the left end.

Refer the above for the Questions 10 to 14
10. What would be the code of ‘I8A6P89’?         




SHOW ANSWER
Correct Ans:QL<}?LY
Explanation:
We have,

The given combination = I8A6P89

In the given combination first element is a vowel and last element is a number as well as 8 is appearing twice.

Here, both condition 1 and 4 can be applied.



Now, the code of ‘I8A6P89’ is ‘Y/<}?/Q’.

After applying condition 1 the code becomes ‘Q/<}?/Y’.

And, after applying condition 4 the code becomes ‘QL<}?LY’.

Hence, the correct answer is option D.


11. What would be the code of ‘6PV5IA2’?




SHOW ANSWER
Correct Ans:}?%#Y<@
Explanation:
We have,

The given combination = 6PV5IA2

In the given combination first element as well as last element is an even digit and no element is appearing twice in the code.

Here, no condition can be applied.




Now, the code of ‘6PV5IA2’ is ‘}?%#Y<@’.

Hence, the correct answer is option B.


12. What would be the code of ‘J8E735A’?    




SHOW ANSWER
Correct Ans:$/Z$*#$
Explanation:
We have,

The given combination = J8E735A

In the given combination first element is a consonant and last element is a vowel.

Here, condition 2 can be applied.




Now, the code of ‘J8E735A’ is ‘>/Z$*#<’.

After applying condition 1 the code becomes ‘$/Z$*#$’.

Hence, the correct answer is option D.


13. What would be the code of ‘E6IVP27’?




SHOW ANSWER
Correct Ans:$}Y%[email protected]
Explanation:
We have,

The given combination = E6IVP27

In the given combination first element is a vowel and last element is a number.

Here, condition 1 can be applied.



Now, the code of ‘E6IVP27’ is ‘Z}Y%[email protected]$’.

After applying condition 1 the code becomes ‘$}Y%[email protected]’.

Hence, the correct answer is option C.


14. What would be the code of ‘9D8O3J4’?




SHOW ANSWER
Correct Ans:!>*&/XQ
Explanation:
We have,

The given combination = 9D8O3J4

In the given combination first element is an odd digit and last element is an even digit.

Here, condition 3 can be applied.



Now, the code of ‘9D8O3J4’ is ‘QX/&*>!’.

After applying condition 3 the code becomes ‘!>*&/XQ’.

Hence, the correct answer is option A.


Directions: Read the information carefully and answer the questions given below.

In a certain code language,
 
'speak nicely to all' is coded as "ka cu ma he"
'all are like us' is coded as " si fo he to"
'teach us lesson nicely' is coded as " po ma fo re"
'lesson like all humans' is coded as "he re gu si"
 

Refer the above for the Questions 15 to 19
15. What would be the code for "lesson"?




SHOW ANSWER
Correct Ans:re
Explanation:
From the following explanation it is clear that the code for lesson is "re".

Hence option B is correct.

Common Explanation

Reference:

'speak nicely to all' -------> "ka cu ma he"...................(1)
'all are like us' ----> " si fo he to"..............................(2)
'teach us lesson nicely' ----> " po ma fo re".................(3)
'lesson like all humans' -------> "he re gu si"................(4)

Inference:

From (1) and (2) we get
all ---> he .........(5)

From (1) and (3) we get
nicely -----> ma.........(6)

From (2) and (4) we get
like -------> si ............(7)

From (2) and (3) we get
us -----> fo ........(8)

From (3) and (4) we get
lesson -------> re............(9)

From (1), (5) and (6) we get
speak to ------> ka cu

From (2), (5), (7) and (8) we get
are ------> to

From (3), (6), (8) and (9) we get
teach ------> po

From (4), (5), (7) and (9) we get
humans --------> gu


16. What would be the code for 'nicely'?




SHOW ANSWER
Correct Ans:ma
Explanation:
From the following explanation it is clear that the code for nicely is "ma".

Hence option B is correct.

Common Explanation

Reference:

'speak nicely to all' -------> "ka cu ma he"...................(1)
'all are like us' ----> " si fo he to"..............................(2)
'teach us lesson nicely' ----> " po ma fo re".................(3)
'lesson like all humans' -------> "he re gu si"................(4)

Inference:

From (1) and (2) we get
all ---> he .........(5)

From (1) and (3) we get
nicely -----> ma.........(6)

From (2) and (4) we get
like -------> si ............(7)

From (2) and (3) we get
us -----> fo ........(8)

From (3) and (4) we get
lesson -------> re............(9)

From (1), (5) and (6) we get
speak to ------> ka cu

From (2), (5), (7) and (8) we get
are ------> to

From (3), (6), (8) and (9) we get
teach ------> po

From (4), (5), (7) and (9) we get
humans --------> gu


17. What would be the code for 'speak to me'?




SHOW ANSWER
Correct Ans:ka cu lo
Explanation:
From the following explanation it is clear that the code for speak to me is "ka cu lo".

Hence option D is correct.

Common Explanation

Reference:

'speak nicely to all' -------> "ka cu ma he"...................(1)
'all are like us' ----> " si fo he to"..............................(2)
'teach us lesson nicely' ----> " po ma fo re".................(3)
'lesson like all humans' -------> "he re gu si"................(4)

Inference:

From (1) and (2) we get
all ---> he .........(5)

From (1) and (3) we get
nicely -----> ma.........(6)

From (2) and (4) we get
like -------> si ............(7)

From (2) and (3) we get
us -----> fo ........(8)

From (3) and (4) we get
lesson -------> re............(9)

From (1), (5) and (6) we get
speak to ------> ka cu

From (2), (5), (7) and (8) we get
are ------> to

From (3), (6), (8) and (9) we get
teach ------> po

From (4), (5), (7) and (9) we get
humans --------> gu


18. What would be the code for "humans teach"?




SHOW ANSWER
Correct Ans:gu po
Explanation:
From the following explanation it is clear that the code for humans teach is "gu po".

Hence option C is correct.

Common Explanation

Reference:

'speak nicely to all' -------> "ka cu ma he"...................(1)
'all are like us' ----> " si fo he to"..............................(2)
'teach us lesson nicely' ----> " po ma fo re".................(3)
'lesson like all humans' -------> "he re gu si"................(4)

Inference:

From (1) and (2) we get
all ---> he .........(5)

From (1) and (3) we get
nicely -----> ma.........(6)

From (2) and (4) we get
like -------> si ............(7)

From (2) and (3) we get
us -----> fo ........(8)

From (3) and (4) we get
lesson -------> re............(9)

From (1), (5) and (6) we get
speak to ------> ka cu

From (2), (5), (7) and (8) we get
are ------> to

From (3), (6), (8) and (9) we get
teach ------> po

From (4), (5), (7) and (9) we get
humans --------> gu


19. What is the code for 'are' in the given language?




SHOW ANSWER
Correct Ans:to
Explanation:
From the following explanation it is clear that the code for are is "to".

Hence option B is correct.

Common Explanation

Reference:

'speak nicely to all' -------> "ka cu ma he"...................(1)
'all are like us' ----> " si fo he to"..............................(2)
'teach us lesson nicely' ----> " po ma fo re".................(3)
'lesson like all humans' -------> "he re gu si"................(4)

Inference:

From (1) and (2) we get
all ---> he .........(5)

From (1) and (3) we get
nicely -----> ma.........(6)

From (2) and (4) we get
like -------> si ............(7)

From (2) and (3) we get
us -----> fo ........(8)

From (3) and (4) we get
lesson -------> re............(9)

From (1), (5) and (6) we get
speak to ------> ka cu

From (2), (5), (7) and (8) we get
are ------> to

From (3), (6), (8) and (9) we get
teach ------> po

From (4), (5), (7) and (9) we get
humans --------> gu


Directions: Read the following information carefully and answer the questions given beside.

The below mentioned table represents some words and their codes. The codes are assigned on the basis of some pattern.


Column A,B,C,D and E shows some numerical values which form the codes for the words asked. You have to mark the column name as your answer in which the code for the asked word lies. The words are to be coded in the same manner which is followed by the codes mentioned in the above table.


For example: If answer for the word STRANGE is asked then it would be ‘B’.

Refer the above for the Questions 20 to 20
20. Identify the code for "SUPREME" belongs to which of the following?




SHOW ANSWER
Correct Ans:D
Explanation:
The code for SUPREME using the below mentioned logic is

(S+P+R+M) – (U+E+E) = (19+16+18+13) – (21+5+5)

66 – 31 = 35

Hence option D is correct.

Common Explanation:

Reference:



Inference:

Let us analyze the logic behind the codes asssigned to the above mentioned words.

STRANGE is coded as 72, here the logic is that Difference of sum of numerical value of consonants and sum of numerical value of vowels is taken.

The numeric value of the letters are calculated by considering A as 1 and Z as 26.

(S+T+R+N+G) – (A+E)

(19+20+18+14+7) – (1+5)

78 – 6 = 72.

Likewise code for EFFECT is (F+F+C+T) – (E+E)

(6+6+3+20) – (5+5) = 25

Similarly , code for DREAM is (4+18+13) – (5+1)

35 – 6 = 29





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