Can you find out what is missing?

1 3 5
2 4 ?

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

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What is harder to catch the faster you run?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Which Burger Is Different in below image?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

why number 8549176320 is one of a kind?

What is more useful when it is broken?