Decode below three cipher riddles:

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

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

If a wheel has 54 spokes, how many spaces are there between the spokes?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Which is the correct shadow of the bird?

What occurs twice in a week, once in a year but never in a day?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?