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# Machine Input and Output - Techniques with Examples

Input Output is an important chapter of Reasoning section. In such questions 5 steps are given and with the input . By observing the pattern in steps , we need to recognize the pattern and answer 5 questions based on that pattern. If you do it with your conventional way , you are most likely to waste your valuable time .Let us learn an easy way where you have to observe the last step very carefully.
Before solving these questions, I recommend you to read Shortcut to solve Input Output questions.

Some of the questions that are asked in the exam on this are:
• How many steps are required to complete the following arrangement?
• Particular step is given and you have to find out the last step or any other step.
• Output is given and you have to find out the input
• Which one will be the final arrangement?
• Which step will be last but one step?
Now let us do a number of questions to do understand how we can do it in an easy way

Input: shop 17 table 20 53 oven desk 39
Step 1:  17  shop  table  20  53  oven  desk  39
Step 2:  17  table  shop  20  53  oven  desk  39
Step 3:  17  table  20  shop  53  oven  desk  39
Step 4:  17  table  20  shop  39  53  oven  desk
Step 5:  17  table  20  shop  39  oven  53  desk

Step 5 is final step and we can observe from the final step that
• Numbers are arranged in increasing order
• Alphabets are arranged in decreasing order

These things will really matter while solving such input and output questions.

#### Question 1

Input: 89 blind 32 goal house 61 12 joy

How many steps will be required to complete the following arrangement?
i. 1
ii. 2
iii.3
iv. 6
v.  7
According to the arrangement which is given for reference we know that
• Numbers are arranged in increasing order
• Alphabets are arranged in decreasing order

We will be doing the same thing to solve this

Technique: First of all, write the input in short form which means for words you can just write the first letter of the word for example : blind =b

As you can see that after 6 the step, other two elements; 89 and b will automatically get arranged. So number of steps required for this arrangement is 6.

#### Question 2:

Step 2: 15 yes 62 51 48 talk now gone

Which of the following will be the 6th step?

i.  15 yes 48 talk 51 now gone 62
ii. 15 yes 48 talk 51 62 now gone
iii.15 yes 48 talk 51 now 62 gone
iv. There is no such step.
v.  None of these

Solution:

This matches with the option 3 . So, option 3 is the correct answer.

#### Question 3

Input: save 21 43 78 them early 36 for

Which of the following will be the last but one step?
i. 4
ii. 7
iii. 8
iv. 5
v. None of these

“Last but one” means second from the last

Solution : Again note down the input in short form

So in total, there are 4 steps and the last but one step is 3rd.

#### Question 4:

Step 3: even 36 oven 48 12 system done

Which  of the following will be the given input?

i.   even oven  36 48  system done 12
ii.  oven system even  done 36 48 12
iii. 36 done 48 12 system even oven
iv. 48 12 system even oven 36 done
v. None of these

Remember that for any step given , we cannot find the exact input. So , in such cases the answer will always be none of these.

#### Question 5

Step 3 : 21 victory 30 joint 64 47 all gone

How many more steps will be required to complete the arrangement?

i. 3
ii. 4
iii. 5
iv. 6
v. None of these

Remember that we just have to find out HOW MANY MORE steps NOT all the steps.

• Since 30 is numeric value so after 30 alphabetic value will come  and according to our rule value will be 'j' but it is already at the correct position .
• The next numeric value will be '47' and this will be the 4th step. After ;'47', the next alphabetic value will be g and it will be step 5.
•  Then 64 but it is already at the correct position and after this ‘a’ but it is already at the correct position.
• So we have just step 4 and step 5 to complete the arrangement. Hence our answer will be none of these because 2 is not among the options.