Brain Teasers

Answers to last issue's teasers

All the puzzles required paper to be folded so that each side would
contain only one pattern. The solutions are shown in the figure. B and F
refer to backward and forward folding. 

So 1B means, the first fold must be made at the line indicated by folding
the paper backwards at the line.

2F means that the second fold must be made at the line indicated by
folding the paper forwards towrds you, at the line.

To get the correct answer, fold the paper in the order 1, 2, 3, as
shown. The final solutions are also given.