What breaks yet never falls, and what falls yet never breaks?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What is the riddle which can be asked all day with a different correct answer each time.

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Before Mount Everest was discovered, what was the highest mountain in the world?

John was piloting a plane behind a car but was never able to overtake it. Why?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What have one eye but still cannot see?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

During which month do people sleep the least?