Pictures:

What is called if the thumb rules all the other fingers?

A rule of thumb.

711

What do you say when something valuable falls into a well by mistake?

Oh, well.

3000

What gets larger as the things they represent get smaller?

The numbers associated with roads (highway 1 is larger than higher 4325)

2764

What do students in 12th grade have in common with people in an old-age home?

They are both seniors.

2600

What is the term for a relapse of influenza?

Deja Flu

2955

How did Bill's hitch-hiking trip go when nobody gave him a ride?

It went without a hitch.

1711

What was the message on the chiropractor's answering machine?

We'll get BACK to you.

241

Why did Barry look at his feet when he walked at work?

Because his boss told him he had to watch his step.

400

What law is involved with marriage and family?

The Law of Relativity.

2994

What can you say about a teacher without any students?

He's in a class all by himself.

1133

What postage is similar to a woman giving birth?

Special delivery.

2865

Why did the foolish prospector think the goldmine was his?

There was a sign outside it that said "Mine".

1083