It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you make a fire with just a single stick?

Which tank will fill first?

A blonde put eyeliner on her head. Why?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Spot what is wrong here in below Picture?

I shave every day, but my beard stays the same. What am I?

What is wrong in the below Picture?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?