Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

What word begins and ends with an E, but has only one letter?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

No matter how little or how much you use me, you change me every month. What am I?