Coding and Decoding in Reasoning

How to Solve Coding - Decoding? Concept & Tips

Dear Readers,

We are providing you Important Concept & Short Tricks on Coding - Decoding Questions in Reasoning which are usually asked in Bank Exams. Use these below given short cuts to solve questions within minimum time. These shortcuts & Concept will be very helpful for your upcoming All Bank Exam 2016.

To make the chapter easy for you all, we are providing you all some Important Concept & Short Tricks on Coding - Decoding?  which will surely make the chapter easy for you all.

About the Coding and Decoding:-

Coding is a method of transmitting a message between the sender and the receiver without a third person knowing it. Before transmitting, the data is encoded and at receiver side encode data is decoded in order to obtain original data by determining common key in encoded data.

Coding and Decoding forms a dedicated part of the Reasoning Section in various competitive exams but the level of questions differs in them. For example in SSC, the level of questions in easy to medium while in IBPS exams, the level of questions is difficult. In IBPS, coding and decoding questions comes under Machine Coding and Decoding Topic.

What is the approach to solve the questions of this section?

• Observe alphabets or numbers given in the code keenly.
• Find the sequence it follows whether it is ascending or descending.
• Detect the rule in which the alphabets/numbers/words follow.
• Fill the appropriate letter/number/word in the blank given.

Some Basics which we need to learn before solving the questions of this topic are:

• Letter position (A=1, B=2, C=3, D=4 …… Y=25, Z=26)
• Opposite position of letters (A=26, B=25 …… Z=1)
• Opposite of each letter (A is opposite to Z and B is opposite to Y and C is opposite to X …… and so on)

Various types on which Coding and Decoding are classified are (as per Bank Exams):

• Letter Coding
• Substitution
• Mixed Letter Coding
• Mixed Number Coding