If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Can you replace the question mark with the correct number?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Which letter of the alphabet has the most water?

Name a key which is hardest to turn.

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.