Out of the five given figures, four are similar in a certain way. One figure is not like the other four. That means four figures form a group based on some common characteristics. Find out the figure which does not belong to the group i.e., which does not share the common features characteristics with other four figures

Answer

4

Explanation

All figures are made of three line segments. Two of these lines meet at a point. Now, this meeting point is the centre of the square only in figure (4) while in all others this point is the side of the square