Input output reasoning all pdf

Input Output Reasoning

Introduction to Input Output Reasoning

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• Introduction to input output reasoning 

• Free YouTube links for input output reasoning practice questions

• Free Practice Materials (input output reasoning practice questions pdf download)

How to solve Input Output Questions

followed by the given input to reach the output specified in the question.

Never waste time in analyzing the intermediate steps. The logic has to be 

determined by observing the input and the output only.

For example-

INPUT- house text 35 25 86 46 rolled ought

Step 1-86 house 46 text 35 25 rolled ought

Step 2-86 house 46 text 35 25 rolled ought

Step 3-86 house 46 ought text 35 25 rolled 

Step 4-86 house 46 ought 35 text 25 rolled

Step 5-86 house 46 ought 35 rolled text 25

Step 6-86 house 46 ought 35 rolled 25 text

Step 6 is the last step of the arrangement- which means it is the output

If we observe the input and output we can determine the logic – the numbers and words are arranged alternatively, numbers in descending order and words in alphabetical order.After determining the logic, there comes the role of the intermediate steps. Now we need to analyze whether one word or more than one word are shifted in each step. Here we observe that one word/number is shifted in every step to reach the output
. 

The shifting of input output can be diagrammatically represented as follows:

Input output Reasoning problem 1

Each step is represented by a different colored line with numbering
.

Make sure you count a step only if a number/word is stroked and shifted.

In every input output question we need to apply the logic obtained from 

the given input and output and apply in another INPUT and answer 

some questions.

Let the input be 

76 rickets 98 rockets 42 raspberry 70 nylon

Applying the above logic ( numbers in descending order and words in 

alphabetic order in alternate places ) the output should be :

98 raspberry 76 rayon 70 rickets 42 rockets

The steps and shifts will be as shown:

Input Output Reasoning 2

Total steps= 5 to reach the output

In step 3,
 after “ 98 raspberry” we need 76 but 76 is already in the 

correct position and hence does not needs to be shifted. Hence, the next 

required word “rayon” is stroked and shifted and hence will be counted 

as step 3.(The word 76 will not be repeated as it is and counted as step 3.)

Now let us pay attention to the type of questions which are generally asked in input output :

i. A step is given and input is asked:

In such case if definite input is asked- the answer will be CANNOT BE 

DETERMINED

But if possible input is asked- it can be determined using the diagram.

ii. A step is given and the step number is asked:

It can be easily answered with the help of the diagram by the step 

numbers and words stroked .

iii.How many steps are required to reach the output?

The last step number is the answer

iv. What is the position of different word/numbers in a specified step?

v.Which is the last but one step?

The step earlier than the last step is the answer.

And many more….which can be easily answered if your 

representation of the steps is correct and clear.

NOTE-

1. Strike the word/numbers to avoid re-shifting them.

2. A step is counted only if a word/number is shifted.

3. In case you are unable to deduce the logic, you can number the 

words/number of the given input and hence check out their manner 

in the given output . Then arrange the words of your new input in 

the same number sequence .You will get your steps and sequences. 

4. In case there are more than one word/numbers shifted in each step, 

make sure you draw the steps clearly and don’t mix up the lines.

Free YouTube links for input output reasoning practice questions

Ankush Lamba Playlist

Input output 1
Input output 2

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