What does this below rebus puzzle mean?

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

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Why is the Hole below a Lock?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What two things can you never eat for breakfast?

What work can one never finish?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?