Correct Answer - Option 2 : Dnbounu
In the following arrangement,
1) The rearrangement of words is taking place from left to right and for numbers, it is right to left.
2) The rearrangement is taking place one word and one number at a time.
3) The words are chosen in alphabetical order and arranged by interchanging the first and last letters of the word from the left.
4) The numbers are arranged in descending order by adding 1 to an odd number and by reducing from an even number.
INPUT: 78 Unbound 52 Height 41 Accord 37 Modern Nobles 77
STEP 1: Dccora Unbound 52 Height 41 37 Modern Nobles 77 77
STEP 2: Dccora Teighh Unbound 52 41 37 Modern Nobles 78 77
STEP 3: Dccora Teighh Noderm Unbound 41 37 Nobles 51 78 77
STEP 4: Dccora Teighh Noderm Soblen Unbound 37 42 51 78 77
STEP 5: Dccora Teighh Noderm Soblen Dnbounu 38 42 51 78 77
Hence, Dnbounu would be at 6th position from the right in the ultimate step.