How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

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.

Which five letter word can be added at the end of below word to form a
valid word?

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A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

What does this rebus puzzle means ?

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

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

What Time Should the last watch show in the below figure?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?