How many times can you subtract the number two from the number fifty?

The dirtier I get, the whiter I look. Who am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

If you say my name, I will no longer exist. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What demands an answer, but asks no questions

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

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

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.