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
A taxpayer received a strongly...
A taxpayer received a strongly worded "second notice" that his taxes were overdue. Hastening to the collector's office, he paid his bill, saying apologetically that he had overlooked the first notice.
"Oh," confided the collector with a smile, "we don't send out first notices. We have found that the second notices are more effective."
"Oh," confided the collector with a smile, "we don't send out first notices. We have found that the second notices are more effective."