A brilliant place for every kid

If you toss a die and it comes up with the number one 9 times in a row, what is the probability that it will come up with one on the next throw?

Which clock works best, the one that loses a minute a day, or the one that doesn’t work at all?

The marathon man timed himself and found out that if he wore a bright white outfit he ran 20 miles in 80 minutes, but when he wore a dark outfit, he ran 20 miles in one hour and twenty minutes. What does this mean for his next race?

A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit?

A sign on the barber’s door says “I shave only those who do not shave themselves”. Does the barber shave himself?

Two girls have the same parents and were born at the same hour of the same day of the same month, but they are not twins. How can this be possible?