Advertisement
#Open journalism No news is bad news

Your contributions will help us continue to deliver the stories that are important to you

Support The Journal
Dublin: 6°C Thursday 1 October 2020

#2 + 2 = 5

# 2-2-5 - Tuesday 14 April, 2015

Can you solve this maths problem that has everyone stumped?

It’s for high school students in Singapore.