Respuesta :
if we shd use mental math .... then we should solve this using divisiblity rule
23 is not divisible by 2
72 can be divisible by 3
next 2 options are wrong too
if we shd use mental math .... then we should solve this using divisiblity rule
23 is not divisible by 2
72 can be divisible by 3
next 2 options are wrong too