ERJ Brainteaser - December
2 Dec 2024
Each month, ERJ sets a weekly brainteaser with questions of varying degrees of difficulty. Readers supplying the most accurate (and stylish) answers are then considered for the prestigious Brainiac of the Month and now Brainiac of the Year titles.
Question 1: Football patch
A football is made by sewing together 12 black pentagonal panels and 20 white hexagonal panels. There is a join wherever two panels meet along an edge.How many joins are there?
Email your answer: correct replies on Friday.
