CODING AND DECODING (NUMBER CODING)

NUMBER CODING:

Number coding is a form of coding that involves assigning numerical values to letters or words. This coding system is often used in reasoning tests, where individuals are required to decode a series of numbers to find a hidden message or pattern.
In this article, we will explore the different types of number coding, how they work, and how to approach them in reasoning tests.

Types of Number Coding:

There are different types of number coding, including:

Alphabetical Coding: This involves assigning a numerical value to each letter of the alphabet, such as A = 1, B = 2, C = 3, and so on. The numerical values are then used to encode or decode a message.
Reverse Coding: In this type of coding, the numerical value assigned to each letter is the reverse of its position in the alphabet. For example, A = 26, B = 25, C = 24, and so on.
Letter Sum Coding: This involves adding up the numerical values of each letter in a word to create a numerical code. For example, if A = 1, B = 2, and C = 3, the word CAT would be coded as 6 (3 + 1 + 20).
Letter Pair Coding: In this type of coding, letters are paired and assigned a numerical value. For example, A and B might be assigned the value 1, while C and D might be assigned the value 2. Words are then coded by adding up the numerical values of their letter pairs.

How Number Coding Works in Reasoning Tests

In reasoning tests, number coding questions are presented in the form of a code or series of codes that need to be deciphered. The individual is required to identify the pattern used to create the code and apply it to solve the problem.

Here's an example:

1) If 16 9 8 7 is coded as LIFE, what is the code for 11 8 7 20?

Solution:

First, identify the pattern used to code the word LIFE. Each number in the code corresponds to the numerical value of the letters in the word, so:

16 corresponds to the numerical value of L (which is 12)
9 corresponds to the numerical value of I (which is 9)
8 corresponds to the numerical value of F (which is 6)
7 corresponds to the numerical value of E (which is 5)

Using the same pattern, we can decode the numbers 11 8 7 20 as follows:

11 corresponds to the numerical value of K
8 corresponds to the numerical value of H
7 corresponds to the numerical value of G
20 corresponds to the numerical value of T

So, the code for 11 8 7 20 is KHT.

Tips for Solving Number Coding Questions

Look for patterns: Try to identify the pattern used to create the code. Look for similarities and differences between the codes and use them to solve the problem.
Use logic: Apply logical reasoning to solve the problem. If you can't identify the pattern, try to work out the solution by eliminating options that don't fit the pattern.
Practice regularly: The more you practice number coding questions, the better you will become at identifying patterns and solving problems. Try to solve a variety of number coding questions to build your skills and confidence.

In conclusion, number coding is a common topic in reasoning tests that requires individuals to identify patterns and solve problems. By understanding the different types of number coding and practicing regularly, individuals can improve their reasoning skills and achieve success in reasoning tests.

EXERCISE-1

1) If A=2 , M=26 , Z=52, then BET= ?

a) 44

b) 54

c) 64

d) 72

Ans:- B

2) If GO=32 , SHE=49 , then SOME will be equal to

a) 56

b) 58

c) 62

d) 64

Ans:- A

3) If AT=20 , BAT=40 , then CAT will be equal to

a) 30

b) 50

c) 60

d) 70

Ans:-C

4) If DEER=12215 and HIGH=5645 , how will you code HEEL?

a) 2328

b) 3449

c) 4337

d) 5229

Ans:- D

5) If ZEBRA can be written as 2652181 , how can COBRA be written ?

a) 302181

b) 3152181

c) 31822151

d) 1182153

Ans:-B

EXERCISE-2

1) If BOIL can be coded as 5,31,19,25 , then ACNE will be coded as

a) 5,29,19,27

b) 3,7,29,11

c) 3,7,20,12

d) none

Ans:- B

2) If O=16 , FOR=42 , then what is FRONT equal to ?

a) 61

b) 65

c) 73

d) 78

Ans:-D

3) If REASON is coded as 5 and BELIEVED as 7, then What is the code for GOVERNMENT?

a) 6

b) 8

c) 9

d) 10

Ans:- C

4) If DRIVER=12 , PEDESTRIAN=20 , ACCIDENT=16 , then CAR= ?

a) 10

b) 8

c) 6

d) 3

Ans:- C

5) If WAY is coded as 679 , MAY is coded as 579 , then YAW will be coded as

a) 976

b) 769

c) 679

d) 579

Ans:- A

NUMBER CODING:

Types of Number Coding:

There are different types of number coding, including:

Alphabetical Coding: This involves assigning a numerical value to each letter of the alphabet, such as A = 1, B = 2, C = 3, and so on. The numerical values are then used to encode or decode a message.

Reverse Coding: In this type of coding, the numerical value assigned to each letter is the reverse of its position in the alphabet. For example, A = 26, B = 25, C = 24, and so on.

Letter Sum Coding: This involves adding up the numerical values of each letter in a word to create a numerical code. For example, if A = 1, B = 2, and C = 3, the word CAT would be coded as 6 (3 + 1 + 20).

Letter Pair Coding: In this type of coding, letters are paired and assigned a numerical value. For example, A and B might be assigned the value 1, while C and D might be assigned the value 2. Words are then coded by adding up the numerical values of their letter pairs.

Tips for Solving Number Coding Questions

Look for patterns: Try to identify the pattern used to create the code. Look for similarities and differences between the codes and use them to solve the problem.

Use logic: Apply logical reasoning to solve the problem. If you can't identify the pattern, try to work out the solution by eliminating options that don't fit the pattern.

Practice regularly: The more you practice number coding questions, the better you will become at identifying patterns and solving problems. Try to solve a variety of number coding questions to build your skills and confidence.

In conclusion, number coding is a common topic in reasoning tests that requires individuals to identify patterns and solve problems. By understanding the different types of number coding and practicing regularly, individuals can improve their reasoning skills and achieve success in reasoning tests.