What does this rebus means ?

PROG WORKRESS

What is the difference between a jeweller and a jailer?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

How many times can you subtract the number 5 from 25?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Can you decipher the following common phrase?

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

What is common among 11, 69, and 88?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What is always in front of you but can’t be seen?