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 do you see in the given picture?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

You need to move three matchsticks to form three squares. Can you do it?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Which Burger Is Different in below image?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?