Find the hidden tiger in the given optical illusion ?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Keyboard words are not in alphabetical order, Why?

What do you answer even though it never asks you questions?

Why is 6 afraid of 7?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Rearrange the letters in "new door" to make one word.

Prove that twice of ten is the same as twice of eleven.

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.