Reasoning - Classification

Directions to solve :
In each of the following questions, four letters or letter groups have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd pair.
31.
Answer

Answer :

Option C

Explanation :


This is the only group in which one letter has been repeated.
32.
Answer

Answer :

Option D

Explanation :


In all other groups, first letter is 3 letters ahead of the second and third letter is 4 letters ahead of the first.
33.
Answer

Answer :

Option B

Explanation :


In all other groups, the first and second letters are alternainte, the third and fourth letters are alternate and written in a reverse alphabetical order.
34.
Answer

Answer :

Option D

Explanation :


In all other groups, first and second letters are alternate, fourth and third are alternate.
But, third letter has same backward position from Z as is the forward position from A, occupied by first.
35.
Answer

Answer :

Option A

Explanation :


In all other groups, the first, second and third letters are respectively moved four, three and two steps forward to obtain second, third and fourth letters respectively.
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