The Italian writer Boccaccio set the background of his Decameron in Florence during the Black Death. Seven ladies and three gentlemen went outside Florence to escape the death and disease and told stories to each other while living on an abandoned estate. They told stories to each other to pass the time, each one telling … Continue reading Why did Boccaccio have the first story teller invoke God in Decameron?
How many whole numbers between 1 and 100 have 5 factors?
Three kids are standing in a row. Each of them are asked to say their favorite planet in the solar system. Since there are 8 planets, and each kid must choose one planet, and assuming it is chosen randomly, what is the probability that they all choose the same planet?
15 friends meet together for a party. Each friend shakes the hand of each other friend, not counting his own. How many handshakes were there in all? BONUS QUESTION: In a similar situation, there are x friends meeting together for a party. Each friend shakes the hand of each other friend, same as above. … Continue reading Math Problem of the Week #10
What is (-1+2-3+4-5+6-7...-99+100)*2?