Pictures:

Why didn't Billy like the second class of his school day?

He felt like a second class citizen.

1867

If the second hand on a clock measures seconds, what does the first hand measure?

Either minutes or hours, but we're not sure.

569

Who was Karl Marx's sister, and why is she famous?

Her name was Onya, and she invented the starting pistol.

315

What is something before it was redundant?

Dundant.

1974

How are a sanitation truck and computer similar?

Both are garbage in / garbage out

590

What do they say about the tree that was cut down because it no longer had leaves?

It was absent without leaves.

2165

How were Eastman Kodak researches Harry Coover and Fred Joyner able to develop superglue in 1951?

Because they stuck with it.

618

What did Betty realize after she ate inexpensive cake that was fattening?

That she was penny wise and pound foolish.

1671

What does an air conditioner and a hair conditioner have in common?

They both can make you feel cool.

553

While building his porch, why was Arnie looking for something called 'scratch'?

Because he was building it from scratch.

566

What was Jose's reaction to his first baseball game?

He was impressed how everyone got up at the start and asked him, 'Jose can you see'?

578

What do you call a pilot that learns to fly at night?

A fly by night.

2028