How many times can you subtract the number two from the number fifty?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

How could a baby fall out of a twenty-story building onto the ground and live?

I have an eye but still cannot see.

Who am I?

What goes through cities and fields, but never moves?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)