question_answer

There are seven figures, the first and last of which are unnumbered and the remaining five are numbered as 1, 2, 3, 4 and 5. These seven figures form a series. However, one of the five numbered figures does not fit into the series. Select the figure that does not fit into the series. (SOF IMO 2016)

A) 1                                 

B) 2                                 

C) 3                                 

D) 4