Can you replace the question mark with the correct number?

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

I have no life, but I can die. What am I?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Can you find the mistake in the below statement?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

What does this rebus means ?

PROG WORKRESS

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"