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Test Level 1: Coding Decoding - CAT MCQ


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20 Questions MCQ Test - Test Level 1: Coding Decoding

Test Level 1: Coding Decoding for CAT 2024 is part of CAT preparation. The Test Level 1: Coding Decoding questions and answers have been prepared according to the CAT exam syllabus.The Test Level 1: Coding Decoding MCQs are made for CAT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test Level 1: Coding Decoding below.
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Test Level 1: Coding Decoding - Question 1

In a certain coding system, 'TEN' is coded as 256 and 'SIXTY' is coded as 19827. How will you code 'SIXTEEN' in this coding system?

Detailed Solution for Test Level 1: Coding Decoding - Question 1

 Each letter has a different code as shown:

SIXTEEN → 1982556

Test Level 1: Coding Decoding - Question 2

In a certain coding system, 'CAMEL' is coded as 25106, 'LION' is coded as 6793 and 'TIRE' is coded as 4780. How will you code 'ELITE' in this coding system?  

Detailed Solution for Test Level 1: Coding Decoding - Question 2

C = 2, A = 5, M = 1, E = 0 and L = 6
L = 6, I = 7, O = 9 and N = 3
T = 4, I = 7, R = 8 and E = 0
Seeing the codes given for each letter, we get ELITE → 06740

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Test Level 1: Coding Decoding - Question 3

Directions: This question is based on five words given below.

DROP TAKE BACK NEED QUIT

(Note: The word formed after performing the given operations may or may not be a meaningful English word)

If third letter of each word is exchanged by first letter of the same word and the last letter of all the words is replaced by the previous letter in the English alphabetical series, then how many words thus formed have either third or fourth letter as a vowel?

Detailed Solution for Test Level 1: Coding Decoding - Question 3

According to question, the new formed words will be
ORDO
KATD
CABJ
EENC
IUQS

Only one of them have a vowel at fourth place i.e ORDO.

Test Level 1: Coding Decoding - Question 4

Directions: This question is based on five words given below.

AWAY TAKE GRAT PISS DEAL

(Note: The word formed after performing the given operations may or may not be a meaningful English word)

If all the letters of each word are arranged alphabetically and then the words so formed are arranged in alphabetical order, then what will be the second letter of the third word?

Detailed Solution for Test Level 1: Coding Decoding - Question 4

Words are as follows.
AWAY TAKE GRAT PISS DEAL

After arranging letters of each word alphabetically,
AAWY AEKT AGRT IPSS ADEL

After arranging these words alphabetically,
AAWY ADEL AEKT AGRT IPSS

Second letter of the third word is E.

Test Level 1: Coding Decoding - Question 5

If 'orange' is called 'butter', 'butter' is called 'soap', 'soap' is called 'ink', 'ink' is called 'honey' and 'honey' is called 'orange', then which of the following is used for washing clothes?  

Detailed Solution for Test Level 1: Coding Decoding - Question 5

Soap is used for washing clothes and it is called 'ink' according to the question. Hence, 'ink' is the correct answer.

Test Level 1: Coding Decoding - Question 6

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

In a certain code language,
'Markets are hi-tech today' means 'pa la ka ma'
'Paisa transfer through markets' means 'ka na sj si'
'Hi-tech paisa easy today' means 'la pa na me'
'Today man through time' means 'si mn ke la'

Q. What is the possible code for 'time paisa transfer'?

Detailed Solution for Test Level 1: Coding Decoding - Question 6

Code for 'paisa' is 'na', code for 'transfer' is 'sj' and code for 'time' is either 'mn' or 'ke'. So, out of given options, 'na sj mn' is correct.

Test Level 1: Coding Decoding - Question 7

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

In a certain code language,
'Markets are hi-tech today' means 'pa la ka ma'
'Paisa transfer through markets' means 'ka na sj si'
'Hi-tech paisa easy today' means 'la pa na me'
'Today man through time' means 'si mn ke la'

Q. What is the code for 'transfer'?

Detailed Solution for Test Level 1: Coding Decoding - Question 7

Test Level 1: Coding Decoding - Question 8

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

In a certain code language,
'Markets are hi-tech today' means 'pa la ka ma'
'Paisa transfer through markets' means 'ka na sj si'
'Hi-tech paisa easy today' means 'la pa na me'
'Today man through time' means 'si mn ke la'

Q. What will be the code for 'markets'?

Detailed Solution for Test Level 1: Coding Decoding - Question 8

Test Level 1: Coding Decoding - Question 9

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

In a certain code language,
'Markets are hi-tech today' means 'pa la ka ma'
'Paisa transfer through markets' means 'ka na sj si'
'Hi-tech paisa easy today' means 'la pa na me'
'Today man through time' means 'si mn ke la'

Q. What does code 'me' mean?

Detailed Solution for Test Level 1: Coding Decoding - Question 9

Test Level 1: Coding Decoding - Question 10

Directions: The question below consists of a group of digits followed by combinations of letters/symbols. You have to find out which of the combinations correctly represents the group of digits, based on the following coding system and the conditions given below. Mark that combination as your answer. If none of the combinations correctly represents the group of letters, give option (5), i.e. 'None of these' as the answer.

Conditions:
(i) If the first digit is odd and the last digit is even, then the code has to be exchanged.
(ii) If both digits, first and last are even, then both have to be coded on the basis of the first digit.
(iii) If the first digit is even and the second digit is odd, then both have to be coded on the basis of the odd digit.

Q. Find the correct combination of codes for the following group of digits.

384695

Detailed Solution for Test Level 1: Coding Decoding - Question 10

 No condition: Code as it is.
Given, 3 8 4 6 9 5
Code language, F # % $ E Q

Test Level 1: Coding Decoding - Question 11

Directions: The question below consists of a group of digits followed by combinations of letters/symbols. You have to find out which of the combinations correctly represents the group of digits, based on the following coding system and the conditions given below. Mark that combination as your answer. If none of the combinations correctly represents the group of letters, give option (5), i.e. 'None of these' as the answer.

Conditions:
(i) If the first digit is odd and the last digit is even, then the code has to be exchanged.
(ii) If both digits, first and last are even, then both have to be coded on the basis of the first digit.
(iii) If the first digit is even and the second digit is odd, then both have to be coded on the basis of the odd digit.

Q. Find the correct combination of codes for the following group of digits.

765984

Detailed Solution for Test Level 1: Coding Decoding - Question 11

Condition I: Their codes are to be swapped.
Given, 7 6 5 9 8 4
Code language, W $ Q E # %
After swapping, % $ Q E # W

Test Level 1: Coding Decoding - Question 12

Directions: The question below consists of a group of digits followed by combinations of letters/symbols. You have to find out which of the combinations correctly represents the group of digits, based on the following coding system and the conditions given below. Mark that combination as your answer. If none of the combinations correctly represents the group of letters, give option (5), i.e. 'None of these' as the answer.

Conditions:
(i) If the first digit is odd and the last digit is even, then the code has to be exchanged.
(ii) If both digits, first and last are even, then both have to be coded on the basis of the first digit.
(iii) If the first digit is even and the second digit is odd, then both have to be coded on the basis of the odd digit.

Q. Find the correct combination of codes for the following group of digits.

584632

Detailed Solution for Test Level 1: Coding Decoding - Question 12

Condition I: Their codes are to be swapped
Given, 5 8 4 6 3 2
Code language, Q # % $ F L 
After swapping, L # % $ F Q

Test Level 1: Coding Decoding - Question 13

In a certain coding system, 'PAGES' is coded as 23719 and 'GUEST' is coded as 75196. How will you code 'STAGE' in this coding system?  

Detailed Solution for Test Level 1: Coding Decoding - Question 13

Each letter has a different code as shown:

So, the code for STAGE will be 96371.

Test Level 1: Coding Decoding - Question 14

If cloud is called white, white is called rain, rain is called green, green is called sky, sky is called blue and blue is called water, then where do the birds fly?  

Detailed Solution for Test Level 1: Coding Decoding - Question 14

Birds fly in the sky and sky is called blue.
Hence, the answer is 'blue'.

Test Level 1: Coding Decoding - Question 15

Directions: This question is based on five words given below.

DROP TAKE BACK NEED QUIT

(Note: The word formed after performing the given operations may or may not be a meaningful English word)

How many letters are there in the English alphabetical series between the second letter of the second word from the right and third letter of the first word from the left?

Detailed Solution for Test Level 1: Coding Decoding - Question 15

Second word from the right is NEED and second letter of this is E.
First word from the left is DROP and third letter of this is O.

Alphabetically,
E F G H I J K L M N O

There are 9 letters between E and O.

Test Level 1: Coding Decoding - Question 16

Directions: This question is based on five words given below.

SIR DEV GOT MIC SAT

(Note: The word formed after performing the given operations may or may not be a meaningful English word)

How many letters are there in the English alphabetical series between the third letter of the second word from the right and second letter of the fourth word from the left?

Detailed Solution for Test Level 1: Coding Decoding - Question 16

2nd word from right is MIC and 3rd letter is C.
4th word from the left is again MIC and 2nd letter is I.

In alphabetical series,
C D E F G H I, there are 5 letters in between them.

Test Level 1: Coding Decoding - Question 17

If 'black' means 'pink', 'pink' means 'blue', 'blue' means 'white', 'white' means 'yellow', 'yellow' means 'red' and 'red' means 'brown', then what is the colour of sky?  

Detailed Solution for Test Level 1: Coding Decoding - Question 17

Sky is blue in colour and blue is the code of pink.
In these type of questions where the word 'means' is used, we use the backward method and the colour of clear sky is blue which is the code for pink.
But if the word 'called' is used (For example - blue is called white, the the colour of sky would be white), then we use the forward method.
Hence, pink is the correct answer.

Test Level 1: Coding Decoding - Question 18

If in a certain code language, ENGLAND is written as 1234526 and FRANCE is written as 785291, then how is GREECE written in that language?  

Detailed Solution for Test Level 1: Coding Decoding - Question 18

Each letter has a different code as shown:

GREECE is coded as 381191.

Test Level 1: Coding Decoding - Question 19

In a certain code, 'MEAN' is written as $57* and 'DOME' is written as 93$5. How is 'MOAN' written in that code?

Detailed Solution for Test Level 1: Coding Decoding - Question 19

Given,
M = $
E = 5
A = 7
N = *
D = 9
O = 3
So, M O A N = $37*

Test Level 1: Coding Decoding - Question 20

Directions: In the question below is given a group of letters, followed by some combinations of digits/symbols numbers. You have to find out which of the combinations correctly represents the code based on the given coding system.

(i) If the first letter is a consonant and the last letter is a vowel, the codes of both are to be interchanged.
(ii) If the first and the last letters are consonants, both are to be coded as per the code of the last letter.
(iii) If the first letter is vowel and the last letter is a consonant both are to be coded as @.

Q. EAQRF

Detailed Solution for Test Level 1: Coding Decoding - Question 20

First letter is a vowel and the last letter is a consonant, both letters are to be coded as @.
Hence, EAQRF is coded as @37*@.

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