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Answer

Correct Option is Four

The machine rearranges one number and one word in each step. Words are arranged in an alphabetical decreasing order whereas numbers are arranged in an order of decreasing order and there is an addition of four in every even numbers and subtraction of four in every odd numbers. In first step, firstly there is an arrangement of alphabet and then number. In second step, firstly there is an arrangement of number and then alphabet and so on. And there is addition in last digit of alphabets with ‘st’ after rearrangement.
Input: virtual 12 memory 28 25 arrangement 11 flood 31 forest.
Step I: virtualst 29 12 memory 28 25 arrangement 11 flood forest Step II: 32 memoryst virtualst 29 12 25 arrangement 11 flood forest Step III: forestst 21 32 memoryst virtualst 29 12 arrangement 11 flood Step IV: 16 floodst forestst 21 32 memoryst virtualst 29 arrangement 11 Step V: arrangementst 7 16 floodst forestst 21 32 memoryst virtualst 29

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