Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

Can you replace the question mark with the correct number?

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 has one eye, but can’t see?

Can you identify the hidden rebus in the image below?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

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

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

How do you go from 98 to 720 using just one letter?