It's Free-for-All Friday here at the mentalfloss.com Brain Game. And to allay your suspicions, there's no fooling in today's game, except for the title. Good luck!
Can you quickly tell which of these five numbers
is evenly divisible by 3? If so, how?
Here is the SOLUTION.
To tell if any whole number is evenly divisible by three, add together the individual digits of that number. If the solution is evenly divisible by three, then so is the... READ ON