Decode below three cipher riddles:

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

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Can you guess the name of the month by looking the below rebus ?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?