What has hands, but can’t clap?

Forwards I am heavy, backward I am not. What am I?

A sundial has the fewest moving parts of any timepiece. Which has the most?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

If eleven plus two equals one, what does nine plus five equal?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

You can see it everyday, But cannot touch it at will. What is it?

When we see 2 but call 10?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?