In each of the following questions a series begins with unnumbered on the extreme left. One of the five numbered figures in the series does not belong to the series. The two unnumbered figures one each on extreme left and right fit in to the series. You have to take as many aspects into accounts as possible of the figures in the series and find out the one and only one of the five unnumbered figures which does not fit into the series.The number of that figures is the answer.