What number comes next in the series?

5 15 5 18 5 24 14 20 _

The equation shown below is not correct:

26-63=1

Can you make the equation correct by moving just one symbol?

There is something which is always coming but never arrives?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you find out the number of the parking space in which the car is parked?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?