There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
Ek khali, square shaped room hai....us main 20 log hain.... sarey log kamray main apni jaga se move kye bger sb kuch easily dekh sakte hain k kahan pe kya hai..... ab ek apple ko room main kahan rakha jaye k 1 shakhs k ilawa baqi 19 log usay dekh saken???