A maths problem for 14-year - olds has baffled people across the world . Question uses logical reasoning and logic to sift out the most intelligent . It was set in the 1970s and Asian math Maths problem ( math ) Teaser appeared as number 24 out of 40 available to test students .
A maths problem for 14-year-olds has baffled people across the world . Question uses logical reasoning and aims to sift out the most intelligent . It was set in the Singapore and Asian Schools Maths Olympiads ( SASMO ) Teaser appeared as number 24 out of 25 questions to test students .