What does the below rebus riddle means?

What have one eye but still cannot see?

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

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?