Question Number 165142 by HongKing last updated on 26/Jan/22
Commented by mr W last updated on 26/Jan/22
$${how}\:{do}\:{they}\:{play}?\:{one}\:{game}\:{between} \\ $$$${each}\:{pair}?\:{you}\:{can}'{t}\:{solve}\:{if}\:{the} \\ $$$${rule}\:{of}\:{the}\:{tournament}\:{is}\:{not}\:{clear}. \\ $$
Commented by aleks041103 last updated on 27/Jan/22
$${if}\:{each}\:{team}\:{plays}\:{with}\:{every}\:{other} \\ $$$${exactly}\:{once}: \\ $$$$\mathrm{120}=\frac{{n}\left({n}−\mathrm{1}\right)}{\mathrm{2}} \\ $$$${n}=\mathrm{16} \\ $$