Select the set of classes the relationship among which is best illustrated by the given Venn diagram. 
Mercury, Planets, Venus
Businessmen, Scientists, Singers
Spinach, Vegetables, Peach
Women, Swimmers, Men
A cube is made by folding the given sheet. In the cube so formed, select the number that will be on the face opposite the face showing the number '4'. 
Select the figure that will replace the question mark(?) in the following figure series:
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? 