Input : power fail now 52 24 75 gate 34
Which of the following will be step the last but one?

In the first step, the largest number comes to the first position and the remaining line shift rightward. In the next step the word that comes first in the alphabetical order goes on to occupy the second position pushing the rest of the shift rightward. This goes alternately till all the number are arranged in a descending order and all the words in alphabetical at alternate positions.

Input : power fail now 52 24 75 gate 34
Step I : 75 power fail now 52 24 gate 34
Step II : 75 fail power now 52 24 gate 34
Step III : 75 fail 52 power now 24 gate 34
Step IV : 75 fail 52 gate power now 24 34
Step V : 75 fail 52 gate 34 power now 24
Step VI : 75 fail 52 gate 34 now power 24
Step VII : 75 fail 52 gate 34 now 24 power
Hence step VI will be the last but one.