帮做一下英语智力题

帮做一下英语智力题
①what number will replace the question mark?
28 47 85 218 313 4
②what word is indicated from the clues below?
the bottom of the heap,
the end of the line,
the first of all,
the centre of artichoke,
the beginning of the end.
③A couple name their four children（from oldest to youngest）Mary,Amber,Michelle and Isabel.they just had another daughter.which of the following would continue the pattern they've used so far:Julia,simone,Ruth,molly or Elizabeth.
④Bill and Al share out certain sum of money in the ratio 5:4 and Al ends up with $60.how much money was shared out?