A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What has 13 hearts but no other organs?

Give it food and it will live; give it water and it will die.

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

What does the below mathematical rebus mean?