Joe's age,Joe's sister's age and Joe’s father's age sums up to a century . When son is as old as his father ,Joe's sister will be twice as old as now. When Joe is as old as his father then his father is twice as old as when his sister was as old as her father . Age of her father is?
Why do we believe that in all matters the odd numbers are more powerful?
Pliny the Elder, Natural History
There r few things whch we knw whch r nt capable of mathmatical reasoning nd when these can nt it is a sign dt our knowledge of them is very smal nd confusd nd where a mathmaticl reasing can be had . It is as dark a foly to make use a candle stick as to g