What Time Should the last watch show in the below figure?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

Why 1729 is a magic number? Answer Logically.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

You need to arrange three 7 and mathematical symbols to form number 1?

If an electric train is travelling south, then which way is the smoke going?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What number comes next in this sequence:
7 8 5 5 3 4 4 _