Solution. The prisoners agree that if the first prisoner sees an odd number of red hats, he will say “red”. This way, the nine other prisoners will know their own hat color after the prisoner behind them responds.
What does a black jumpsuit mean in jail?
Though there is no standardization, in many jails color designations are dark red for “super-max” or the “worst of the worst,” red for high risk, khaki or yellow for low risk, white as a segregation unit like death row, green or blue for low-risk inmates on work detail, orange for general population, black with orange …
What does a blue jumpsuit mean in jail?
Blue means the inmate has been accused of a misdemeanor or nonviolent felony or has been deemed for any other reason as a low threat. Quilted green smocks (older ones were blue) indicate an inmate may be suicidal.
What kind of puzzle is prisoners and hats?
Prisoners and hats is a logic puzzle based on inductive and deductive reasoning, depending on which prisoner you are. The puzzle is as follows: Four prisoners have been captured, but the prison is full. The jailer’s a cruel person, and gives these 4 prisoners a puzzle they have to solve.
Can a prisoner see all the hats on his head?
A blue or red hat is placed on each of their heads randomly. The prisoners cannot see the color of the hat on their own head, but they can see the colors of all the hats in front of them. The prisoner in the back can clearly see all 99 hats in front of him.
Is there a riddle about prisoners wearing black and white hats?
A few months ago, we published a riddle about prisoners wearing black and white hats. Now we have another headgear-based puzzle for you. This one about blue and red hats is a classic that gets passed around by professors and logicians.
Can a 99 th prisoner figure out the color of his hat?
The 99’th prisoner decides his answer on the basis of answer of 100’th prisoner’s answer. There are following possibilities and 99’th prisoner can figure out color of his hat in every case. a) If 99’th prisoner sees even number of red hats in front of him, then his color is black.
