What is both possible and impossible at the same time?

what does the below rebus mean?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

Can you count the number of squares in the given picture?