Can you think of any three-dimensional shape that comprises of exactly two surfaces?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What has no start, end, or centre?

Which flower has two lips?

What is the word or phrase below?
R | E | A | D

Which is the correct shadow of the bird?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

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.

A man dies of old age on his 25 birthday. How is this possible?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145