Answer to Question #53644 in Physics for tej

There are two housewives Neeru and Meena. They have to serve tea to four guests who are likely
to visit them at an interval of 15 minutes. Neeru prepares tea each time the guest arrives. Meena
prepares four cup of tea when the first guest arrives and stores it in a thermos flask and serves
when the guest arrives. Who saves energy? Give reasons for your answer.