Flaws of the Singapore education system notwithstanding (and
there are many), it's
no mean feat to come in 1st place out of 57 countries worldwide
(including USA, Hong Kong, Taiwan, South Korea, Japan, etc).
http://mothership.sg/2016/11/sporean-students-come-in-1st-out-of-57-countries-in-international-math-and-science-tests/
Questions like this one, seem like a joke, until you consider
how sad it is that students from the countries at the bottom of the
list have no idea how to answer it.
