Select the figure that will come next 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? 
What is the difference between the biggest and the smallest fraction among the following fractions?
\(\frac{4}{5}, \frac{5}{6}, \frac{3}{8}, \frac{5}{7}, \frac{6}{7}\)
\(\frac{13}{49}\)
\(\frac{15}{28}\)
\(\frac{27}{56}\)
\(\frac{15}{42}\)