The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown in the following figures. How would this paper look when unfolded? 
Select the dice that can be formed by folding the given sheet along the lines. 
Select the figure that will replace the question mark (?) in the following figure series. 
Select the Venn diagram that best represents the relationship between the following classes.
Passengers, Flight, Train
