Every 1/2 hour naomi stretches her neck; every 1/3 hour she stretches her legs; every 1/6 hour she stretches her arms. what part of her body will naomi stretch when 2/3 of an hour passes?

She will stretch all the parts of the body that is a  multiple of

She will not strech her neck, multiplied will not give

She will however stretch her legs, this will be the second time this hour:


She will also stretch her legs, this will be the forth time this hour: