Coding and Decoding: Solved 467 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,
'Reach Is For Stars' is written as 'su rd mo lp'
'Nothing Is Out Of Reach' is written as 'ka su hu lk lp'
'For Love Of Life' is written as 'lk mo go ma'
'Nothing Like Life Is' is written as 'lp go hu ne'

Refer the above for the Questions 1 to 3
1.
Which of the following is the code for 'Love' in the given code language?




SHOW ANSWER
Correct Ans:ma
Explanation:


The code for ‘Love’ is ma.


2. Which of the following is the code for 'Love Nothing' in the given code language?




SHOW ANSWER
Correct Ans:ma hu
Explanation:


The code for ‘Love Nothing’ is ma hu.


3. Which of the following is the code for 'Love Like Stars' in the given code language?




SHOW ANSWER
Correct Ans:rd ne ma
Explanation:


The code for ‘Love Like Stars’ is rd ne ma.


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4. In a certain code language 'cost of production' is written as 'cha che chu' 'production is concern' is written as 'ch che chi' and 'concern of demand' is written as 'cha chi cho' which code word is used for 'demand'?




SHOW ANSWER
Correct Ans:cho
Explanation:
The code for,
"Cost of production" => "cha che chu" ---------- (i)
"production is concern" => "ch che chi" ---------- (ii)
"concern of demand" => "cha chi cho" --------- (iii)
From (i) and (ii)
"production" means "che"
From (i) and (iii)
"of" means "cha"
From (ii) and (iii)
"concern" means "chi"
So, here code for "demand" is "cho".


5. In certain code 'INTERCHANGE' is written as 'NITRECAHNEG'. How is 'CONDITIONAL' written in that code?




SHOW ANSWER
Correct Ans:OCNIDTOINLA
Explanation:


Similarly,



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6. In a certain code language, 'sue re nik' means 'she is brave'. 'pi sor re nik' means 'she is always smiling' and 'sor re zhi' means 'is always cheerful'. What is the code used for the word smiling?




SHOW ANSWER
Correct Ans:pi
Explanation:
The code for,
'she is brave' => 'sue re nik' ---------- (i)
'she is always smiling' => 'pi sor re nik' ---------- (ii)
'is always cheerful' => 'sor re zhi' ----------- (iii)
From (i) and (ii)
'she' means 'nik'
From (ii) and (iii)
'always' means 'sor'
From (i), (ii) and (iii)
'is' means 're'
It is clear that the code for 'smiling' is 'pi'.


7. In a certain code the words 'COME AT ONCE' were written as XLNVZGLMXV. In the same code which of the following would be 'OK'?




SHOW ANSWER
Correct Ans:LP
Explanation:
The code has been generated by taking opposite letters.
As,



Therefore, OK => LP


8. If RAJESH is coded as SBKFTI, then how is URMILA coded ? 




SHOW ANSWER
Correct Ans:None of these
Explanation:
Each letter in the word is moved one step forward to obtain the corresponding letter of the code.
U+1 = V
R+1 = S
M+1 = N
I+1 = J
L+1 = M
A+1 = B
Thus, the answer is 'VSNJMB'.


9. In a certain code 'ki pit lit' means 'some small houses'. 'les ki tim' means 'some good buildings' and 'tim nis lit' means 'many small buildings'. What is the code for 'houses'?




SHOW ANSWER
Correct Ans:pit
Explanation:
ki pit lit => some small houses ----------- (i)
les ki tim => some good buildings -----------(ii)
tim nis lit => many small buildings ------------(iii)
From (i) and (ii)
'ki' means 'some'
From (i) and (iii)
'lit' means 'small'
It is clear that 'pit' is the code for 'houses'.


10. In a certain code language 'bring the white board' is written as 'ka na di pa' and 'white and black board' is written as 'na di sa ra'. How is 'the' written in that code?




SHOW ANSWER
Correct Ans:ka or pa
Explanation:
Code for:
White or board => na or di
bring or the => ka or pa
So, the code for 'the' is either 'ka' or 'pa'.


11. If in a certain language 'HEAD' is coded as 'EARS', 'EARS' is coded as 'EYES', 'EYES' is coded as 'SKIN' and 'SKIN' is coded as 'HEAD', then Night Blindness is related to




SHOW ANSWER
Correct Ans:Skin
Explanation:
Night Blindness is a disease of eyes. Eyes is coded as Skin.
So, Skin is the correct answer.


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12. If in a certain code, DAUGHTER is written as TERDAUGH, how will APTITUDE be written in that code?




SHOW ANSWER
Correct Ans:UDEAPTIT
Explanation:


Therefore,



13. In a certain code 'bad and good' is written as '325', 'two and none' is written as '462' and 'that is bad' is written as '159'. How would 'good' be written in that code?




SHOW ANSWER
Correct Ans:3
Explanation:
i) bad and good => 3 2 5
ii) two and none => 4 6 2
iii) that is bad => 1 5 9
From (i) and (iii) code for 'bad' => 5
From (i) and (ii) code for 'and' => 2
Hence, code for 'good' => 3


14. In a certain code language "FALEN" is coded as "7213615" and "IMPAL" is coded as "101417213" then what is the code for "LEGACY"?




SHOW ANSWER
Correct Ans:13682426
Explanation:
In this question each alphabet is replaced with its number +1 in the alphabetical order as:
F = 6 + 1 = 7
A = 1 + 1 = 2
L = 12 + 1 = 13
E = 5 + 1 = 6
N = 14 + 1 = 15

Similarly "IMPAL" is coded as "101417213" and so code for "LEGACY" is
L = 12 + 1 = 13
E = 5 + 1 = 6
G = 7 + 1 = 8
A = 1 + 1 = 2
C = 3 + 1 = 4
Y = 25 + 1 = 26
Hence, "13682426" is the answer.


15. In a certain code '415' means 'milk is hot'; '18' means 'hot soup'; and '895' means 'soup is brown'. What number will indicate the word 'brown'?




SHOW ANSWER
Correct Ans:9
Explanation:
Given,
Statement I) '415' means 'milk is hot'
Statement II) '18' means 'hot soup'
​​​​​​​Statement III) '895' means 'soup is brown'

In the first and second statements, the common code is '1' and the common word is 'hot'.
So '1' means 'hot' and '8' means 'soup'

In the first and third statements, the common code is '5' and the common word is 'is'.
So, '5' means 'is'.
Hence, in the third statement, the remaining code is '9' which means 'brown'.


Directions: Study the given information carefully to answer the given question.

In a certain code language,
'Nature World Picture' is written as 'D%27 [email protected] K%21'
'Flower Monsoon Eclipse' is written as 'V%10 [email protected] N%27'
'Space Mammoth Plants' is written as 'H%24 N%21 [email protected]'

Refer the above for the Questions 16 to 20
16. What may be the possible code for 'Scientists'?




SHOW ANSWER
Correct Ans:[email protected]
Explanation:
In the question, Symbols in each code are used as per the number of letters contained in each word.
If total number of letters in the word is in Odd number, then the symbol used is '%'
If total number of letters in the word is in Even number, then the symbol used is '@'

The first letter in each code represents the reverse letter of the first letter of the corresponding word.

Last Number in each code represents the sum of place value (as in alphabetical order) of first and last letter of the word.

For the given word 'Scientists':
Reverse letter of the first letter = H
Total number of letters in the word = 10, hence the corresponding symbol is '@'
sum of place value of first and last letter = 19 + 19 = 38
The correct code is '[email protected]'


17. What will be the code for '[email protected]' in the given code language?




SHOW ANSWER
Correct Ans:Impact
Explanation:
In the question, Symbols in each code are used as per the number of letters contained in each word.
If total number of letters in the word is in Odd number, then the symbol used is '%'
If total number of letters in the word is in Even number, then the symbol used is '@'

The first letter in each code represents the reverse letter of the first letter of the corresponding word.

Last Number in each code represents the sum of place value (as in alphabetical order) of first and last letter of the word.

For the given code '[email protected]':
The reverse letter of first letter R is 'I', hence the corresponding word should start with the letter 'I'

Since, the symbol in the code is @, then the corresponding word should have Even number of letters in it.
On applying the above rule, the corresponding word for the given code '[email protected]' is either 'Impact' and 'Inters'.

In the word 'Impact', sum of place value of first and last letter = 9 + 20 = 29

In the word 'Inters', sum of place value of first and last letter = 9 + 19 = 28
Hence the code '[email protected]' stands for 'Impact'


18. What is the code for 'Butterflies' in the given code language?




SHOW ANSWER
Correct Ans:Y%21
Explanation:
In the question, Symbols in each code are used as per the number of letters contained in each word.
If total number of letters in the word is in Odd number, then the symbol used is '%'
If total number of letters in the word is in Even number, then the symbol used is '@'

The first letter in each code represents the reverse letter of the first letter of the corresponding word.

Last Number in each code represents the sum of place value (as in alphabetical order) of first and last letter of the word.

For the given word 'Butterflies':
Reverse letter of the first letter = Y
Total number of letters in the word = 11, hence the corresponding symbol is '%'
sum of place value of first and last letter = 2 + 19 = 21
The correct code is 'Y%21'


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




SHOW ANSWER
Correct Ans:V%25
Explanation:
In the question, Symbols in each code are used as per the number of letters contained in each word.
If total number of letters in the word is in Odd number, then the symbol used is '%'
If total number of letters in the word is in Even number, then the symbol used is '@'

The first letter in each code represents the reverse letter of the first letter of the corresponding word.

Last Number in each code represents the sum of place value (as in alphabetical order) of first and last letter of the word.

For the given word 'Environment':
Reverse letter of the first letter = V
Total number of letters in the word = 11, hence the corresponding symbol is '%'
sum of place value of first and last letter = 5 + 20 = 25
The correct code is 'V%25'


20. In the given code language, what does the code 'L%29' stand for?




SHOW ANSWER
Correct Ans:Ocean
Explanation:
In the question, Symbols in each code are used as per the number of letters contained in each word.
If total number of letters in the word is in Odd number, then the symbol used is '%'
If total number of letters in the word is in Even number, then the symbol used is '@'

The first letter in each code represents the reverse letter of the first letter of the corresponding word.

Last Number in each code represents the sum of place value (as in alphabetical order) of first and last letter of the word.

For the given code 'L%29':
The reverse letter of first letter L is 'O', hence the corresponding word should start with the letter 'O'

Since, the symbol in the code is %, then the corresponding word should have Odd number of letters in it.
On applying the above rule, the corresponding word for the given code 'L%29' is either 'Other' and 'Ocean'.

In the word 'Other', sum of place value of first and last letter = 15 + 18 = 33

In the word 'Ocean', sum of place value of first and last letter = 15 + 14 =29
Hence the code 'L%29' stands for 'Ocean'





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