Diophantus was a Greek mathe...
Diophantus was a Greek mathematician who lived in the third century. He was one of the first mathematicians to use algebraic symbols. Most of what is known about Diophantus's life comes from an algebraic riddle from around the early sixth century. The riddle states: Diophantus's youth lasted one sixth of his life. He grew a beard after one twelfth more. After one seventh more of his life, he married. 5 years later, he and his wife had a son. The son lived exactly one half as long as his father, and Diophantus died four years after his son. How many years did Diophantus live?Correct answers: 38
The first user who solved this task is Fazil Hashim.
#brainteasers #math #riddles

Phil had just joined a club af...
Phil had just joined a club after his friend had recommended it (being a member for quite some time). They were sitting at the bar having their beers when someone yelled "21" and there was a small uproar of laughter. A few minutes later someone else yelled "34" and another roar of laughter rose up. Phil, confused about this asked his friend "Why is everyone laughing at the numbers being called out" His friend said, well we've been telling the same jokes for so many years that we just numbered them all and if you want to tell a joke you just call out a number" Phil nodded and said "Can I try?" His friend nodded and Phil called out "121" and everyone in the club roared with laughter and it didn't die down for at least another 15 minutes after. "Why did everyone laugh so hard at that joke?" Phil asked. His friend said with a small chuckle "We haven't heard that one before."