Correct Answer - Option 1 : VENTUR
The logic is:
ADVENTURE
DVENTURE → ‘A’, the letter at the extreme left end is eliminated.
DVENTUR → ‘E’, the letter at the extreme right end is eliminated.
VENTUR → ‘D’, the letter at the extreme left end is eliminated.
VENTU → ‘R’, the letter at the extreme right end is eliminated.
Hence, ‘VENTUR’ is the correct answer.