What work can one never finish?

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?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What Adam and Eve do not have but the rest of the people have?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

A large water tank has two inlet pipes (a large one and a small one) and one outlet pipe. It takes 3 hours to fill the tank with the large inlet pipe. On the other hand, it takes 6 hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in 9 hours.

What fraction of the tank (initially empty) will be filled in 0.64 hours if all three pipes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75).

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

Can you divide the below-given shape into four equal and identical pieces?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?