What is always in front of you but can’t be seen?

What does this rebus riddle means ?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

If two's company, and three's a crowd, then whats four and five ?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

what does the below rebus mean?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?