Also $18$ is divisible by each of $2,3,9$; so the $1$ st son gets $9$ camels, the $2$ nd son gets $6$ camels, and the third son gets $2$ camels. Miraculously , we get $9 + 6 + 2 = 17$ …
Diophantus' childhood ended at $14$, he grew a beard at $21$, married at $33$, and had a son at $38$. Diophantus' son died at $42$, when Diophantus himself was $80$, and so Diophantus …
In case this is the correct solution: Why does the probability change when the father specifies the birthday of a son? (does it actually change? A lot of answers/posts stated that the statement does …
The only way to get the 13/27 answer is to make the unjustified unreasonable assumption that Dave is boy-centric & Tuesday-centric: if he has two sons born on Tue and Sun he will mention Tue; if he has …