What does this rebus means ?

PROG WORKRESS

What's the only room from which no one can enter or leave

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

Can you count the number of lines in the below picture?

How can you make a TV, a bed, a dog, and a car liquid?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

How can you tell a raw egg from a hard-boiled egg?