Of the several different types of questions in the Logical Reasoning section, Coding/Decoding or Codebreaking questions are an examiner favorite, because they are able to very simply test several concepts at the same time. They test knowledge of basic math, vocabulary, lateral thinking and plain common sense. Another such topic is Series Completion, which you can read about in its own section.
To get started, please see the video below. It will give you an overview of the types of questions.
Now that you are done, let’s hop into a quick quiz to test your understanding.
Coding and Decoding
Coding-decoding questions are a common type of aptitude test. They require lateral thinking to understand the different types of coding logic used.
Thankfully, there are only a few types of questions commonly asked, and we will go through them all in this section.
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Question 1 of 25
In a certain code, CODING is written as DPEJOH. How will DECODING be written in that code?
Question 2 of 25
If in a language EMPLOYEE is coded as 101332121550510 then what will be the code for PERSON?
Question 3 of 25
Read the following codes carefully and answer the question.
i) " Milk is white in color" coded as 52360
ii) " White represents peace " coded as 379
iii) " Milk contains calcium " coded as 248
What is the code used for the word 'Color' ?
Question 4 of 25
In a certain code APLOMB is written as CNNMQB. How DISPEL is written in that code ?
Question 5 of 25
In a certain code BURGEON is written as QTAGOPF. How OBTRUDE is written in that code ?
Question 6 of 25
In a certain code TEAMWORK is written as NBFUJQNV and SOME is written as PTDL. How is PERSON is written in that code ?
Question 7 of 25
In a certain code ACOLYTE is written as PDBKFUZ. How is BURNISH is written in that code ?
Question 8 of 25
In a certain code language 'Tom Eat' means 'Sleep Cat' and 'Eat Ball' means 'Roads Sleep'. What is the code for 'Sleep' in that code language ?
Question 9 of 25
In a certain code , 'pick and choose' is written as 'ko ho po' and 'pick up and come' is written as 'to no ko po'. How is pick written in that code ?
Question 10 of 25
If ENGLAND is written as 1234526 and FRANCE is written as 78529, how is GREECE coded?
Question 11 of 25
In a certain code, 33946 is coded as PPOAL and 1987 is coded as ROSE. How is 94678 coded in that code ?
Question 12 of 25
. In a certain code language,
(A) ‘pic vic nic’ means ‘winter is cold’
(B) ‘to nic re’ means ‘summer is hot’
(C) ‘re pic boo’ means 'winter and summer’
(D) ‘vic tho pa’ means ‘nights are cold’
Which word in that language means 'summer'?
Question 13 of 25
In a certain code, '37' means 'which class' and '583' means 'caste and class'. What is the code for 'caste' ?CorrectIncorrect
Question 14 of 25
In a certain code language, '743' means 'mangoes are good' ; '657' means 'eat good food' and '934' means 'mangoes are ripe'. Which digit means 'ripe' in that language?
Question 15 of 25
If in a certain code, TEACHER is written as VGCEJGT, how would DULLARD be written in the same code ?
Question 16 of 25
In a code, CORNER is written as GSVRIV. How can CENTRAL be written in that code?
Question 17 of 25
If CERTAIN is coded as XVIGZRM, how can MUNDANE be coded?
Question 18 of 25
If in a certain code, SWITCH is written as TVJSDG, which word would be written as CQFZE?CorrectIncorrect
Question 19 of 25
If in a certain language, SHIFT is coded as RFFBO, which word would be coded as LKUMB?CorrectIncorrect
Question 20 of 25
If EHFNRQ is the code for BECKON, which word has the code QDFWXULQ?CorrectIncorrect
Question 21 of 25
If QKKQUGQL is the code for OMISSION, which word is coded as RYVIWZB?CorrectIncorrect
Question 22 of 25
If MISTAKE is coded as 9765412 and NAKED is coded as 84123, how is DISTANT coded?CorrectIncorrect
Question 23 of 25
If REASON is coded as 5 and BELIEVED as 7, what is the code number for GOVERNMENT?CorrectIncorrect
Question 24 of 25
If AT = 20, BAT = 40, then CAT will be equal to?CorrectIncorrect
Question 25 of 25
If MACHINE is coded as 19-7-9-14-15-20-11, how will you code DANGER?CorrectIncorrect