Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

Why do Chinese men eat more rice than Japanese men do ?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What does it mean?

You can see three almost identical images below. Can you spot the odd one out from them?

Why did the Girl throw the butter out of the window?

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.

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?