Which is the smallest number that you can write using all the vowels exactly once?

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.

If,

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

Then

4 / 5 = ?

What has many teeth, but cannot bite?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Find the next number in the following series:
6, 14, 26, 98, __?

How can you make a TV, a bed, a dog, and a car liquid?

Can you find the mistake in the below statement?