Which number should replace the question mark?

I look at you, you look at me, I raise my right, you raise your left. What am I?

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

Find the 8 in the below-given Image.

Can you identify the hidden rebus in the image below?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Replace the question mark with the correct number.

Move three sticks of the spiral below to form a square.

How many letters are in the alphabet?

What is the centre of gravity?