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.
6.
Answer

Answer :

Option C

Explanation :


In all other groups, the last and first letters are consecutive.
7.
Answer

Answer :

Option C

Explanation :


All other groups consist of two alternate letters in order, while in this group they are in reverse order.
8.
Answer

Answer :

Option B

Explanation :


In all other groups, each letter moves 3 steps forward to obtain the next letter.
9.
Answer

Answer :

Option A

Explanation :


All other groups contain alternate letters of the alphabet in order.
10.
Answer

Answer :

Option B

Explanation :


In all other groups, first and third letters are moved 2 steps forward to obtain fourth and second letters respectively.
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