Four groups of letters are given below, three of them are alike in certain way while one is different, choose the odd one :

In the following question, out of four words given below, three are alike in some manner and fourth word is different. Find the different one.

Which of the following group of letters is different from the others?

Choose the word which is different from the other three :

Which one is different from the rest three?

There are five different houses A to E in a row. A is to the right of B and E is to the left of C and right of A. B is to the right of D. Which of the houses is in the middle?