Henry Ernest Dudeney/Puzzles and Curious Problems/344 - Coin and Hole

by : $344$

 * Coin and Hole
 * We have before us a specimen of every coin which was current in Britain in $1930$.
 * And we have a sheet of paper with a circular hole cut in it $\tfrac 3 4$ of an inch in diameter.


 * What is the largest coin I can pass through that hole without tearing the paper?