Question

There are five people in the room you go in and kill four of those five how may people actually remain

Answer 1

ONLY ONE.

ONLY ONE PEOPLE REMAIN IF YOU KILL 4.

Answer 2

If you think this question according to the mathematical aspects then your answer should be one because only you will be saved in the room.

But of you answer this question according to the grammatical aspects then your answer must be one or two because remain word can be used for the one or two people only.

So either your answer will be one or two.