Originally posted by skims242?
I'd like to create a thread specifically devoted to logic and numerical (not 'maths' puzzles as such, but ones requiring numerical reasoning) - the sorts of puzzles one might find in a book of brainteasers.
Please post any interesting logic or numerical puzzles you know of/can find. Thanks
I'll start the ball rolling:
How many leap years will there ...[text shortened]... r that at the turn of a new century, years are only leap years if they are multiples of 400.