A Langur and a Dog were having an argument about whom being the smartest of them. The Dog challenges Langur that he can sit at a place where Langur cannot. Langur accepts the bet and lost.
What was the place where the Dog can sit but Langur cannot?
At the Langur head
You see a lovely girl sitting but you cannot sit on her place even if she standup and leave the place. Where is she sitting?
You see a lovely boy sitting but you cannot sit in his place even if he stands up and leaves the place.
Where is he sitting?
I'm small and sometimes worthless. I sit there and look at you as you pass me by. I cannot move but I wish I could. If I'm found, it's a good thing but only if I can see you. What am I?
There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it. If you are not allowed to move in any way (other than your eyes).
Where can you place an apple so that all but one person can see it?