Coding Decoding MCQ Quiz - Objective Question with Answer for Coding Decoding - Download Free PDF

Last updated on Jul 2, 2025

Logical Reasoning is one of the most popular sections in exams like SBI PO, SSC CGL, GATE and RRB ALP. Questions based on topics such as Number Series, Completion of Patterns, Linear Arrangement are asked. Practice the Coding Decoding MCQs and prepare for the Logical Reasoning Section. Get tips to solve Coding Decoding objective questions quickly, clarify any doubts with explanations to solutions, and much more in Coding Decoding quiz! Practice Coding Decoding question answers to ace the Logical Reasoning section in exams!

Latest Coding Decoding MCQ Objective Questions

Coding Decoding Question 1:

A question is given, followed by two statements labelled I and II. Identify which of the statements is/are sufficient to answer the question.

Question:

In a certain code language, "pu ma kas' means 'we eat mangoes'. What is the code of 'mangoes'?

Statements:

I. 'la ti kas' means 'we are graduate'.

II. 'hum tup pu' means 'they eat bananas'.

  1. Statement II alone is sufficient, while statement I alone is not sufficient to answer the question.
  2. Statements I and II together are sufficient to answer the question.
  3. Statement I alone is sufficient, while statement II alone is not sufficient to answer the question.
  4. Statements I and II together are not sufficient to answer the question.
  5. None of the above

Answer (Detailed Solution Below)

Option 2 : Statements I and II together are sufficient to answer the question.

Coding Decoding Question 1 Detailed Solution

Given: "pu ma kas' means 'we eat mangoes'.

F3 Madhuri SSC 04.08.2022 D18

Statements: 

I. 'la ti kas' means 'we are graduate'.

II. 'hum tup pu' means 'they eat bananas'.

F3 Madhuri SSC 04.08.2022 D19

F3 Madhuri SSC 04.08.2022 D20

From I and II statements we conclude that both are sufficient to answer the question. So 'ma' is the code of 'mangoes'.

Hence, Statements I and II together are sufficient to answer the question.

Coding Decoding Question 2:

In the below given question, a few statements have been given. Analyse the given statements and answer whether the data given in the statements are sufficient to answer the question or not.
Statement I: In a certain code language, AIEEE is written as BJFFF.
Statement II: In a certain code language, GYPSY is written as FXORX.
How is PRODUCT written in that code language?

  1. data in the statement I alone is sufficient to answer the question
  2. data in the statement II alone is sufficient to answer the question
  3. data given in both statements I & II together are not sufficient to answer the question
  4. data in both statements I & II together are necessary to answer the question

Answer (Detailed Solution Below)

Option 4 : data in both statements I & II together are necessary to answer the question

Coding Decoding Question 2 Detailed Solution

Considering statement I alone:

I. In a certain code language, AIEEE is written as BJFFF.

Here logic is +1 in the Vowel

Task Id 1181 Daman (1)

Therefore, the information given in statement I alone is not sufficient to answer the question.

Considering the statement II alone.

II. In a certain code language, GYPSY is written as FXORX.

Task Id 1181 Daman (2)

Here logic is - 1 in the Consonant.

Therefore, the information given in statement II alone is also not sufficient to answer the question.

Now, by using both statements.

Here, code for PRODUCT is OQPCVBS

Task Id 1181 Daman (3)

So, data in both statements I & II together are necessary to answer the question

Hence, the correct answer is "Option 4".

Coding Decoding Question 3:

Direction: Study the information given carefully and answer the question given below.

I) In a certain code language, “Fruits are rotten” is coded as “fgh spu myt” and “Sweet sour candy” is coded as “brd cwa pza”, “sour rotten grapes” is coded as “cwa spu alp” and “Fruits juicy sweet” is coded as “myt qmh brd”.

II) In a certain code language, “Season of grapes” is coded as “alp dmb evb”, “Dry season fruits” is coded as “rex brd evb” and “dry mangoes pickle” is coded as “sap rex web”.

What is the code for “grapes”?

  1. If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.
  2. If the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.
  3. If the data either in statement I alone or in statement II alone is sufficient to answer the question.
  4. If the data in both statement I and II together are not sufficient to answer the question.
  5. If the data in both statement I and II together are necessary to answer the question.

Answer (Detailed Solution Below)

Option 1 : If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.

Coding Decoding Question 3 Detailed Solution

According to the question:

I) In a certain code language, “Fruits are rotten” is coded as “fgh spu myt” and “Sweet sour candy” is coded as “brd cwa pza”, “sour rotten grapes” is coded as “cwa spu alp” and “Fruits juicy sweet” is coded as “myt qmh brd”.

Task Id 1084 Daman (1)

Here, code for 'grapes' is 'alp'. Therefore statement I alone is sufficient to answer the question.

II) In a certain code language, “Season of grapes” is coded as “alp dmb evb”, “Dry season fruits” is coded as “rex brd evb” and “dry mangoes pickle” is coded as “sap rex web”.

Task Id 1084 Daman (2)

Here, code for 'grapes' can be either 'alp' or 'dmb'. Thus cannot be determined, therefore statement II alone is not sufficient to answer the question.

Thus, the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.

Hence, "Option 1" is the correct answer.

Coding Decoding Question 4:

In the below given question, a few statements have been given. Analyse the given statements and answer whether the data given in the statements are sufficient to answer the question or not.

I. In a certain code language, 'no one with face' is coded as 'fo to om sop' and 'no one has face' is coded as 'om sit fo sop'

II. In a certain code language, 'face of no light' is coded as 'om mot fo kiz' and 'no one is smart' is coded as 'sop fo sip lik'.

How is 'face' written in that code language?

  1. data in the statement I alone is sufficient to answer the question.
  2. data in the statement II alone is sufficient to answer the question.
  3. data given in both I & II together are not sufficient to answer the question.
  4. data in both statements I & II together are necessary to answer the question.

Answer (Detailed Solution Below)

Option 4 : data in both statements I & II together are necessary to answer the question.

Coding Decoding Question 4 Detailed Solution

Solution:

Considering statement I alone:

I. In a certain code language,

'no one with face' is coded as 'fo to om sop'

And 'no one has face' is coded as 'om sit fo sop'.

Here, 'no', 'one', and 'face' have common codes 'fo', 'om', and 'sop', but the exact mapping is unclear.

Therefore, the information given in statement I alone is not sufficient to answer the question.

Considering the statement II alone.

II. In a certain code language,

'face of no light' is coded as 'om mot fo kiz'

And 'no one is smart' is coded as 'sop fo sip lik'.

Here, 'face' and 'no' have common codes 'om' and 'fo', and 'no' has common codes 'fo' and 'sop', but the exact mapping is unclear.

Therefore, the information given in statement II alone is also not sufficient to answer the question.

Now, by using both statements.

Comparing both statements, 'no' is common and has codes 'fo' and 'sop'. 'face' is common and has codes 'om' and 'fo'.

From statement I, 'no one' is 'fo sop' or 'om sop'. From statement II, 'no one' is 'sop fo'.

Therefore, 'no' is 'fo'.

Since 'no' is 'fo', then 'face' must be 'om'.

So, data in both statements I & II together are necessary to answer the question.

Hence, the correct answer is "Option 4".

Coding Decoding Question 5:

A question is given, followed by two statements labelled I and II. Identify which of the statements is/are sufficient/necessary to answer the question.

Question:

In a certain code language, 'fire in mountain' is coded as 'si ph bo'. What is code for 'fire'?

Statements:

(I) 'mountain' is coded as 'bo'.

(II) 'ice and fire' is coded as 'si yu ca'.

  1. Data in Statements I and II together is sufficient to answer the question
  2. Data in Statements I and II together is not sufficient to answer the question
  3. Data in Statement I alone is sufficient to answer the question while data in Statement II is not
  4. Data in Statement II alone is sufficient to answer the question while data in Statement I is not

Answer (Detailed Solution Below)

Option 4 : Data in Statement II alone is sufficient to answer the question while data in Statement I is not

Coding Decoding Question 5 Detailed Solution

Question:

In a certain code language, 'fire in mountain' is coded as 'si ph bo'. What is code for 'fire'?

Statements:

(I) 'mountain' is coded as 'bo'.

(II) 'ice and fire' is coded as 'si yu ca'.

Solution:

Statement I:

'mountain' is coded as 'bo'.

This statement alone tells us the code for 'mountain' but does not provide enough information to determine the code for 'fire'.

Statement II:

'ice and fire' is coded as 'si yu ca'.

From the original statement, 'fire in mountain' is coded as 'si ph bo'.

Comparing the two statements, 'fire' is common in both. 'si' is common in both.

Therefore, 'fire' is coded as 'si'.

Conclusion:

Statement II alone is sufficient to answer the question, while Statement I is not.

Hence, the correct answer is 4) Data in Statement II alone is sufficient to answer the question while data in Statement I is not.

Top Coding Decoding MCQ Objective Questions

You are given a question and statements and two statements. Which of the statements is/are necessary/sufficient to answer the question?

Question:

What is the color of Sunflower?

Statements:

I. Blue is called white, white is called red and red is called yellow.

II. Yellow is called purple, purple is called black, white is called brown and brown is called orange.

  1. Data in I alone is sufficient
  2. Data either in I alone or Ii alone is sufficient
  3. Data in both I and II together Is not sufficient
  4. Data in II alone is sufficient

Answer (Detailed Solution Below)

Option 4 : Data in II alone is sufficient

Coding Decoding Question 6 Detailed Solution

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Given Statements:

We know that the color of Sunflower is yellow.

From statement I, we cannot determine what is yellow called and hence it is not sufficient to answer the question.

From statement II, we see that yellow is called purple.

Therefore, the colour of Sunflower as per the coding must be purple.

Thus, data in statement II is sufficient to answer the question.

Hence, data in statement II alone is sufficient to answer the question.

Directions: In the following question below are given a question and two statements numbered I and II. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give your answer.

What is the code for 'walks' in the code language?

Statements:

I. In the code language, 'she walks fast' is written as 'he ka to'.

II. In the code language, 'she learns fast' is written as 'jo ka he'.

  1. If the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
  2. If the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
  3. If the data in both the Statements I and II together are necessary to answer the question.
  4. If the data in both the Statements I and II are not sufficient to answer the question.

Answer (Detailed Solution Below)

Option 3 : If the data in both the Statements I and II together are necessary to answer the question.

Coding Decoding Question 7 Detailed Solution

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Using statement I:

I. In the code language, 'she walks fast' is written as 'he ka to'.

We can not determine the code for "walks".

Using statement II:

II. In the code language, 'she learns fast' is written as 'jo ka he'.

Using this statement we can not determine the code for "walks".

By combining statements I and II:

I. In the code language, 'she walks fast' is written as 'he ka to'.

II. In the code language, 'she learns fast' is written as 'jo ka he'.

cdc1111

The words 'she' and 'fast' are common in both sentences and so are the codes 'he' and 'ka'. Implies, 'he' and 'ka' are the codes for 'she' and 'fast' but not necessarily in the same order.

It further implies that 'to' is the code for the word 'walks' and both statements are required to answer the question.

Hence, "data in both statements I and II together are necessary to answer the question".

Consider the given question and decide which of the following statements is sufficient to answer the question.

If LIKE GOOD HABIT is coded as 126, then what will be the code for HABIT?

Statements:
1. I LOVE PICTURES is coded as 785.

2. THOUGHT BECOMES HABIT is coded as 856.

  1. Neither 1 nor 2 is sufficient to answer the given question.
  2. 2 alone is sufficient while 1 alone is not sufficient to answer the given question.
  3. Both 1 and 2 are sufficient to answer the given question.
  4. 1 alone is sufficient while 2 alone is not sufficient to answer the given question.

Answer (Detailed Solution Below)

Option 2 : 2 alone is sufficient while 1 alone is not sufficient to answer the given question.

Coding Decoding Question 8 Detailed Solution

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The given problem statement and 2nd statement has word HABIT and number 6 in common.

Hence, we can say that the code for HABIT is 6.

There are no common words between problem statement and 1st statement.

 Thus, statement 2 alone is sufficient while 1 alone is not sufficient to answer the given question.

The question below consists of a question and two statements. You have to decide whether the data provided in the statements are sufficient to answer the question and based on this give answer.

Question: which crop grows in Assam?

Statements: I. Cotton is called wheat and wheat is called coffee.

II. Coffee is called tea and tea is called rice.

  1. Both statements are required
  2. Only I is required
  3. Only II is required
  4. All are insufficient to answer the given question

Answer (Detailed Solution Below)

Option 3 : Only II is required

Coding Decoding Question 9 Detailed Solution

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Given statements :

Statement I: Cotton is called wheat and wheat is called coffee.

with this statement, we cannot conclude the question because there is no information about 'tea' in the statement.

Statement II: Coffee is called tea and tea is called rice.

With this statement, we can conclude the answer because as mention in the statement tea is called rice. 

So, Tea grows in Assam and tea is called rice.

Hence, the answer is ‘Only II is required’. 

Consider the following question and decide which statement is sufficient to answer the question.
Question:
Identify the code for SUN from the given statements.
Statement:
I: GUN is written as HUN and TUN are written as UUN.
II: SUN rises from the east.

  1. Neither statement I nor II is sufficient.
  2. Only statement II is sufficient.
  3. Only statement I is sufficient.
  4. Both statements I and II are sufficient.

Answer (Detailed Solution Below)

Option 3 : Only statement I is sufficient.

Coding Decoding Question 10 Detailed Solution

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Given,

Question:
Identify the code for SUN from the given statements.
Statement:
I: GUN is written as HUN and TUN are written as UUN.
II: SUN rises from the east.

From statement I, we get,

GUN → HUN, TUN → UUN

The pattern followed here is,

F1 Rishabh Shraddha 23.01.2021 D18

F1 Rishabh Shraddha 23.01.2021 D19

F1 Rishabh Shraddha 23.01.2021 D20

Here we see we get the code from Statement I.

And statement II is irrelevant as it does not give the answer.

∴ The only statement I is sufficient.

Hence, the correct answer is the Only statement I is sufficient.

Read the following question and decide which of the given statements is/are sufficient.

How is CHINA coded?

Statements:

1. CHILE is coded as ECIHL.

2. EGYPT is coded as TEYGP.

  1. Both 1 and 2 together are sufficient to answer the question.
  2. 2 alone is sufficient while 1 alone is not sufficient to answer the question.
  3. Either 1 or 2 is sufficient to answer the question.
  4. 1 alone is sufficient while 2 alone is not sufficient to answer the question.

Answer (Detailed Solution Below)

Option 3 : Either 1 or 2 is sufficient to answer the question.

Coding Decoding Question 11 Detailed Solution

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626a871a13e02eef2fcd3cd5 16564998081491

Pattern followed here is : ​

  1. ​First letter → Shifted to the second position.
  2. Second letter → Shifted to the fourth position. 
  3. Third letter → No change.
  4. Fourth letter → Shifted to the fifth position.
  5. Fifth letter → Shifted to the first position.

According to the question :

  • Statement - (1) : CHILE is coded as ECIHL.

F1 Savita Railways 27-2-23 D9

Here, following the same pattern CHINA can be coded as 'ACHIN' i.e 

 F1 Savita Railways 27-2-23 D10

  • Statement - (2) : EGYPT is coded as TEYGP.

F1 Savita Railways 27-2-23 D11

Here, following the same pattern CHINA can be coded as 'ACHIN' i.e 

 F1 Savita Railways 27-2-23 D12

Thus, according to both the statements (1) and (2), code for CHINA is same with same pattern therefore, the question asked cab be answered from either statement (1) or statement (2).

Hence, "Option - (3)" is the correct answer.

Read the following question and decide which of the given statements is/are sufficient to answer the question.

What is the colour of human blood?

Statements:

1. Blue is called pink, red is called orange and orange is called yellow.

2. White is called black, black is called green, green is called brown and brown is called red.

  1. Either 1 or 2 is sufficient to answer the given question.
  2. 1 alone is sufficient while 2 alone is not sufficient to answer the given question.
  3. Both 1 and 2 together are sufficient to answer the given question.
  4. 2 alone is sufficient while 1 alone is not sufficient to answer the given question.

Answer (Detailed Solution Below)

Option 2 : 1 alone is sufficient while 2 alone is not sufficient to answer the given question.

Coding Decoding Question 12 Detailed Solution

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According to the question :

  • Statement - (1) : Blue is called pink, red is called orange and orange is called yellow

​So, from the given statement :-

Color Code
Blue Pink
Red Orange
Orange Yellow

Here, as colour of human blood is red thus according to the given information the answer will be orange.

  • Statement - (2) : White is called black, black is called green, green is called brown and brown is called red.

​So, from the given statement :-

Color Code
White Black
Black Green
Green Brown
Brown Red

Here,  as colour of human blood is red thus according to the given information there is no answer.

Thus, it is evident that only statement - (1) is sufficient to answer the given question while statement - (2) not.

Hence, "Option - (2)" is the correct answer.

The question below consists of two statements 1 and 2. You have to decide whether the facts provided in the statements are sufficient to answer the question. Read both the statements and choose the correct option

Question: What will be the code for 'good'?

1. "All are very beauty" means 'Ka Ta Pa Ra'

2. "They are good" means Ya Ra Sa

  1. The facts of both statements 1 and 2 together are sufficient to answer the question.

  2. The facts of both statements 1 and 2 together are not sufficient to answer the question.

  3. Only the facts of statement 1 are sufficient to answer the question.

  4. Only the facts of statement 2 are sufficient to answer the question.

Answer (Detailed Solution Below)

Option 2 :

The facts of both statements 1 and 2 together are not sufficient to answer the question.

Coding Decoding Question 13 Detailed Solution

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1. "All are very beauty" means 'Ka Ta Pa Ra'

The code for 'good' cannot be obtained from the above statement as 'good' is not present in it.

2. "They are good" means Ya Ra Sa

The code for 'good' cannot be obtained from the above statement as the code for other words and 'good' are not specifically mentioned.

By combining statement I and II:

F6 Chitranshi Verma 26-2-2021 Swati D21The code for good may be Ya or Sa.

So, The facts of both statements 1 and 2 together are not sufficient to answer the question.

A question is given, followed by two statements labelled I and II. Identify which of the statements is/are sufficient to answer the question.

Question:

In a certain code language, "pu ma kas' means 'we eat mangoes'. What is the code of 'mangoes'?

Statements:

I. 'la ti kas' means 'we are graduate'.

II. 'hum tup pu' means 'they eat bananas'.

  1. Statement II alone is sufficient, while statement I alone is not sufficient to answer the question.
  2. Statements I and II together are sufficient to answer the question.
  3. Statement I alone is sufficient, while statement II alone is not sufficient to answer the question.
  4. Statements I and II together are not sufficient to answer the question.

Answer (Detailed Solution Below)

Option 2 : Statements I and II together are sufficient to answer the question.

Coding Decoding Question 14 Detailed Solution

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Given: "pu ma kas' means 'we eat mangoes'.

F3 Madhuri SSC 04.08.2022 D18

Statements: 

I. 'la ti kas' means 'we are graduate'.

II. 'hum tup pu' means 'they eat bananas'.

F3 Madhuri SSC 04.08.2022 D19

F3 Madhuri SSC 04.08.2022 D20

From I and II statements we conclude that both are sufficient to answer the question. So 'ma' is the code of 'mangoes'.

Hence, Statements I and II together are sufficient to answer the question.

Read the given question and decide which of the following statements is/are sufficient to answer the question.

Question:

Which word represents ‘Give’ in the code language?

Statements:

1. Give me some tea is written as ‘De min to te’

2. ‘Please Give’ is written as ‘plea De’

  1. Statement 1 alone is sufficient.
  2. Statements 2 alone is sufficient.
  3. Statements 1 and 2 together are sufficient.
  4. Statements 1 and 2 together are insufficient.

Answer (Detailed Solution Below)

Option 3 : Statements 1 and 2 together are sufficient.

Coding Decoding Question 15 Detailed Solution

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F1 Shraddha Bubon 23.07.2021 D9(Edited 15.09.21 Madhu)

The code for 'give' is 'De'.

Hence, Statements 1 and 2 together are required to tell the answer.

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