Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.
(NOTE: The odd one out is not based on the number of vowels or consonants in the word)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. HEIS.
Logic: Opposite of 1st letter - 3 = 2nd letter; 2n letter + 4 = 3rd letter - 1 = 4th letter
Except HEIS, all follow the same logic.