Four people each roll a four die once.
find probability that at least two people will Roll the same number.
a) 5/18
b) 13/18
c) 1295/1296
d) none of these.
Pure mathematics is the world's best game. It is more absorbing than chess, more of a gamble than poker, and lasts longer than Monopoly. It's free. It can be played anywhere - Archimedes did it in a bathtub.
Richard J. Trudeau, Dots and Lines
Mathematics is like checkers in being suitable for the young, not too difficult, amusing, and without peril to the state.