What number when divided in half becomes zero?

Which alphabet is a part of our body?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Decode below three cipher riddles:

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

How many triangles are there in the picture below?

How can you make number one disappear by adding something to it?

Using Only Five 5's and any mathematical operator make sum as 37

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?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.