Select the figure from among the given options that can replace the question mark(?) in the following 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 figure. How would this paper look when unfolded?
In the following Venn diagram, the hexagon stands for 'tax-payers' , the triangle stands for 'fathers', the recatngle stands for 'blood-donors', and the circle stands for 'engineers'. The given numbers represent the number of persons in that particular category.
How many tax-payers are also blood donors?