How many times in a given day, minutes and hour clock comes in a straight line ?

Can you spot the hidden girl in the picture below?

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.

What is full of holes but still holds water?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

I look at you, you look at me I raise my right, you raise your left. What am I?

What is the largest number you can write with just 3 digits?

What came first, the chicken or the egg?

What part of Turkey has the most feathers?

Find the hidden tiger in the given optical illusion ?