Correct option is D
The logic is:
Reverse the first two letters.
Reverse the last two letters.
Reverse the next two letters.
Reverse the next last two letters.
AL → LA (reverse the first two letters)
OR → RO (reverse the last two letters)
IG → GI (reverse the next two letters)
AT → TA (reverse the next last two letters)
Thus, ALIGATOR becomes LAROGITA following the same pattern.
Let's apply this to the word COMPUTER:
CO → OC (reverse the first two letters)
ER → RE (reverse the last two letters)
MP → PM (reverse the next two letters)
UT → TU (reverse the next last two letters)
So, COMPUTER becomes OCREPMTU.
The correct answer is (d) OCREPMTU.