What number should come in place of the question mark below?

There was a strange boy who was born before his father. How can this be possible?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

When it is alive we sing, when it is dead we clap our hands. What is it?

Can you solve the below geography rebus by decoding the below rebus ?

Find the value of "?" in the ball picture Riddle below:

Solve the equation in the image by looking at the pattern closely.

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.

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.