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.

Replace the question mark with the correct number in below Picture:

What jumps when it walks and sits when it stands?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Take one out and scratch my head, I am now black but once was red. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10