IIFT 2012 Question Paper Question 121

Instructions

Some information is provided in the paragraph below. Answer the questions based on this information.

A number arrangement machine, when given a particular input, rearranges it using a particular rule. The following is the illustration and steps of the arrangement


Arrangement at Step V is the last for the given input

Question 121

What should be the fourth step of the following input?
64 326 187 87 118 432 219 348

Solution

As we can see in the 1st step the smallest number come to the 1st position from left.
In the 2nd step the largest number comes to the 2nd position from left.
In the 3rd step the 2nd smallest number come to the 3rd position from left and so on.
Thus, 64 326 187 87 118 432 219 348
Step 1:- 64 432 326 187 87 118 219 348
Step 2:- 64 432 87 326 187 118 219 348
Step 3:- 64 432 87 348 326 187 118 219
Step 4:- 64 432 87 348 118 326 187 219
Hence, option C is the correct answer.



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