Decode below three cipher riddles:

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

Who are the happiest people in IPL match?

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

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?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?