Are you smarter than a 15-year-old? A “basic” maths question that stumped more than half of Year 9 students has gone viral online. The question from the 2012 Programme for International Student ...

But Jackie ‘O’ Henderson found out the hard way that this question – supposedly for year two students – doesn’t have the answer you might think it should. And there’s actually a scientific reason why.

Following in the mathematic footsteps of the equations that came before it, another deceptively simple maths problem has surfaced to unleash a civil war among family, friends, and comment sections ...

The question from the 2012 Programme for International Student Assessment (PISA), a test conducted every three years across more than 80 countries in the Organisation for Economic Co-operation and ...