Q: In this task, you need to provide the correct option for a given problem on probability from the provided options.
Problem: four 6 faced dice are thrown together . the probability that all the four show the same number on them is ?
Options: a ) 1 / 248 , b ) 1 / 216 , c ) 1 / 144 , d ) 1 / 200 , e ) 1 / 242
A:
b